Home / 71,445.40-98,599.01-39,614.29

Finding the Fourth Proportional to 71,445.40, 98,599.01 and 39,614.29

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Solution

The fourth proportional to 71,445.40, 98,599.01 and 39,614.29 is: 54,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,445.40 : 98,599.01 = 39,614.29 : x
  2. Step 2: Convert to fraction form
    71,445.40/98,599.01 = 39,614.29/x
  3. Step 3: Cross multiply
    71,445.40x = 98,599.01 × 39,614.29
  4. Step 4: Simplify right side
    71,445.40x = 3,905,929,331.28
  5. Step 5: Solve for x
    x = 3,905,929,331.28/71,445.40
  6. Step 6: Final answer
    x = 54,670.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.