Home / 71,010.90-97,995.57-39,180.96

Finding the Fourth Proportional to 71,010.90, 97,995.57 and 39,180.96

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Solution

The fourth proportional to 71,010.90, 97,995.57 and 39,180.96 is: 54,070.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,010.90 : 97,995.57 = 39,180.96 : x
  2. Step 2: Convert to fraction form
    71,010.90/97,995.57 = 39,180.96/x
  3. Step 3: Cross multiply
    71,010.90x = 97,995.57 × 39,180.96
  4. Step 4: Simplify right side
    71,010.90x = 3,839,560,508.35
  5. Step 5: Solve for x
    x = 3,839,560,508.35/71,010.90
  6. Step 6: Final answer
    x = 54,070.02

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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.