Home / 89,961.42-134,861.94-45,565.32

Finding the Fourth Proportional to 89,961.42, 134,861.94 and 45,565.32

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Solution

The fourth proportional to 89,961.42, 134,861.94 and 45,565.32 is: 68,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,961.42 : 134,861.94 = 45,565.32 : x
  2. Step 2: Convert to fraction form
    89,961.42/134,861.94 = 45,565.32/x
  3. Step 3: Cross multiply
    89,961.42x = 134,861.94 × 45,565.32
  4. Step 4: Simplify right side
    89,961.42x = 6,145,027,451.92
  5. Step 5: Solve for x
    x = 6,145,027,451.92/89,961.42
  6. Step 6: Final answer
    x = 68,307.36

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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.