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Finding the Fourth Proportional to 88,776.49, 122,497 and 52,472.89

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Solution

The fourth proportional to 88,776.49, 122,497 and 52,472.89 is: 72,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,776.49 : 122,497 = 52,472.89 : x
  2. Step 2: Convert to fraction form
    88,776.49/122,497 = 52,472.89/x
  3. Step 3: Cross multiply
    88,776.49x = 122,497 × 52,472.89
  4. Step 4: Simplify right side
    88,776.49x = 6,427,771,606.33
  5. Step 5: Solve for x
    x = 6,427,771,606.33/88,776.49
  6. Step 6: Final answer
    x = 72,403.98

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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.