Home / 47,805.20-71,707.80-36,767.60

Finding the Fourth Proportional to 47,805.20, 71,707.80 and 36,767.60

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Solution

The fourth proportional to 47,805.20, 71,707.80 and 36,767.60 is: 55,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,805.20 : 71,707.80 = 36,767.60 : x
  2. Step 2: Convert to fraction form
    47,805.20/71,707.80 = 36,767.60/x
  3. Step 3: Cross multiply
    47,805.20x = 71,707.80 × 36,767.60
  4. Step 4: Simplify right side
    47,805.20x = 2,636,523,707.28
  5. Step 5: Solve for x
    x = 2,636,523,707.28/47,805.20
  6. Step 6: Final answer
    x = 55,151.40

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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.