Home / 89,697.28-134,550.24-39,723.52

Finding the Fourth Proportional to 89,697.28, 134,550.24 and 39,723.52

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Solution

The fourth proportional to 89,697.28, 134,550.24 and 39,723.52 is: 59,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,697.28 : 134,550.24 = 39,723.52 : x
  2. Step 2: Convert to fraction form
    89,697.28/134,550.24 = 39,723.52/x
  3. Step 3: Cross multiply
    89,697.28x = 134,550.24 × 39,723.52
  4. Step 4: Simplify right side
    89,697.28x = 5,344,809,149.64
  5. Step 5: Solve for x
    x = 5,344,809,149.64/89,697.28
  6. Step 6: Final answer
    x = 59,587.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.