Home / 97,439.70-134,426.11-65,553.24

Finding the Fourth Proportional to 97,439.70, 134,426.11 and 65,553.24

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Solution

The fourth proportional to 97,439.70, 134,426.11 and 65,553.24 is: 90,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,439.70 : 134,426.11 = 65,553.24 : x
  2. Step 2: Convert to fraction form
    97,439.70/134,426.11 = 65,553.24/x
  3. Step 3: Cross multiply
    97,439.70x = 134,426.11 × 65,553.24
  4. Step 4: Simplify right side
    97,439.70x = 8,812,067,051.10
  5. Step 5: Solve for x
    x = 8,812,067,051.10/97,439.70
  6. Step 6: Final answer
    x = 90,436.11

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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.