Home / 71,972.30-99,270.34-62,395.07

Finding the Fourth Proportional to 71,972.30, 99,270.34 and 62,395.07

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Solution

The fourth proportional to 71,972.30, 99,270.34 and 62,395.07 is: 86,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,972.30 : 99,270.34 = 62,395.07 : x
  2. Step 2: Convert to fraction form
    71,972.30/99,270.34 = 62,395.07/x
  3. Step 3: Cross multiply
    71,972.30x = 99,270.34 × 62,395.07
  4. Step 4: Simplify right side
    71,972.30x = 6,193,979,160.88
  5. Step 5: Solve for x
    x = 6,193,979,160.88/71,972.30
  6. Step 6: Final answer
    x = 86,060.59

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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.