Home / 71,416.41-98,555.64-39,154.06

Finding the Fourth Proportional to 71,416.41, 98,555.64 and 39,154.06

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Solution

The fourth proportional to 71,416.41, 98,555.64 and 39,154.06 is: 54,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,416.41 : 98,555.64 = 39,154.06 : x
  2. Step 2: Convert to fraction form
    71,416.41/98,555.64 = 39,154.06/x
  3. Step 3: Cross multiply
    71,416.41x = 98,555.64 × 39,154.06
  4. Step 4: Simplify right side
    71,416.41x = 3,858,853,418.27
  5. Step 5: Solve for x
    x = 3,858,853,418.27/71,416.41
  6. Step 6: Final answer
    x = 54,033.15

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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.