Home / 74,085.20-111,127.80-32,532.20

Finding the Fourth Proportional to 74,085.20, 111,127.80 and 32,532.20

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Solution

The fourth proportional to 74,085.20, 111,127.80 and 32,532.20 is: 48,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,085.20 : 111,127.80 = 32,532.20 : x
  2. Step 2: Convert to fraction form
    74,085.20/111,127.80 = 32,532.20/x
  3. Step 3: Cross multiply
    74,085.20x = 111,127.80 × 32,532.20
  4. Step 4: Simplify right side
    74,085.20x = 3,615,231,815.16
  5. Step 5: Solve for x
    x = 3,615,231,815.16/74,085.20
  6. Step 6: Final answer
    x = 48,798.30

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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.