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Finding the Fourth Proportional to 88,773.77, 122,507.16 and 48,487.53

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Solution

The fourth proportional to 88,773.77, 122,507.16 and 48,487.53 is: 66,912.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,773.77 : 122,507.16 = 48,487.53 : x
  2. Step 2: Convert to fraction form
    88,773.77/122,507.16 = 48,487.53/x
  3. Step 3: Cross multiply
    88,773.77x = 122,507.16 × 48,487.53
  4. Step 4: Simplify right side
    88,773.77x = 5,940,069,595.71
  5. Step 5: Solve for x
    x = 5,940,069,595.71/88,773.77
  6. Step 6: Final answer
    x = 66,912.44

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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.