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Finding the Fourth Proportional to 88,687.10, 133,030.65 and 59,008.70

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Solution

The fourth proportional to 88,687.10, 133,030.65 and 59,008.70 is: 88,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,687.10 : 133,030.65 = 59,008.70 : x
  2. Step 2: Convert to fraction form
    88,687.10/133,030.65 = 59,008.70/x
  3. Step 3: Cross multiply
    88,687.10x = 133,030.65 × 59,008.70
  4. Step 4: Simplify right side
    88,687.10x = 7,849,965,716.66
  5. Step 5: Solve for x
    x = 7,849,965,716.66/88,687.10
  6. Step 6: Final answer
    x = 88,513.05

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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.