Home / 91,566.92-137,408.16-38,976.32

Finding the Fourth Proportional to 91,566.92, 137,408.16 and 38,976.32

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Solution

The fourth proportional to 91,566.92, 137,408.16 and 38,976.32 is: 58,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,566.92 : 137,408.16 = 38,976.32 : x
  2. Step 2: Convert to fraction form
    91,566.92/137,408.16 = 38,976.32/x
  3. Step 3: Cross multiply
    91,566.92x = 137,408.16 × 38,976.32
  4. Step 4: Simplify right side
    91,566.92x = 5,355,664,414.77
  5. Step 5: Solve for x
    x = 5,355,664,414.77/91,566.92
  6. Step 6: Final answer
    x = 58,489.07

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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.