Home / 71,109.98-98,132.10-38,845.04

Finding the Fourth Proportional to 71,109.98, 98,132.10 and 38,845.04

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Solution

The fourth proportional to 71,109.98, 98,132.10 and 38,845.04 is: 53,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,109.98 : 98,132.10 = 38,845.04 : x
  2. Step 2: Convert to fraction form
    71,109.98/98,132.10 = 38,845.04/x
  3. Step 3: Cross multiply
    71,109.98x = 98,132.10 × 38,845.04
  4. Step 4: Simplify right side
    71,109.98x = 3,811,944,859.12
  5. Step 5: Solve for x
    x = 3,811,944,859.12/71,109.98
  6. Step 6: Final answer
    x = 53,606.33

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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.