Home / 72,632.20-108,948.30-33,266.20

Finding the Fourth Proportional to 72,632.20, 108,948.30 and 33,266.20

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Solution

The fourth proportional to 72,632.20, 108,948.30 and 33,266.20 is: 49,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,632.20 : 108,948.30 = 33,266.20 : x
  2. Step 2: Convert to fraction form
    72,632.20/108,948.30 = 33,266.20/x
  3. Step 3: Cross multiply
    72,632.20x = 108,948.30 × 33,266.20
  4. Step 4: Simplify right side
    72,632.20x = 3,624,295,937.46
  5. Step 5: Solve for x
    x = 3,624,295,937.46/72,632.20
  6. Step 6: Final answer
    x = 49,899.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.