Home / 71,070.62-98,077.67-38,805.30

Finding the Fourth Proportional to 71,070.62, 98,077.67 and 38,805.30

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Solution

The fourth proportional to 71,070.62, 98,077.67 and 38,805.30 is: 53,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,070.62 : 98,077.67 = 38,805.30 : x
  2. Step 2: Convert to fraction form
    71,070.62/98,077.67 = 38,805.30/x
  3. Step 3: Cross multiply
    71,070.62x = 98,077.67 × 38,805.30
  4. Step 4: Simplify right side
    71,070.62x = 3,805,933,213.62
  5. Step 5: Solve for x
    x = 3,805,933,213.62/71,070.62
  6. Step 6: Final answer
    x = 53,551.43

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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.