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Finding the Fourth Proportional to 88,657.38, 132,947.16 and 33,214.50

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Solution

The fourth proportional to 88,657.38, 132,947.16 and 33,214.50 is: 49,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,657.38 : 132,947.16 = 33,214.50 : x
  2. Step 2: Convert to fraction form
    88,657.38/132,947.16 = 33,214.50/x
  3. Step 3: Cross multiply
    88,657.38x = 132,947.16 × 33,214.50
  4. Step 4: Simplify right side
    88,657.38x = 4,415,773,445.82
  5. Step 5: Solve for x
    x = 4,415,773,445.82/88,657.38
  6. Step 6: Final answer
    x = 49,807.17

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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.