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Finding the Fourth Proportional to 88,959.17, 133,417.79 and 32,768.76

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Solution

The fourth proportional to 88,959.17, 133,417.79 and 32,768.76 is: 49,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,959.17 : 133,417.79 = 32,768.76 : x
  2. Step 2: Convert to fraction form
    88,959.17/133,417.79 = 32,768.76/x
  3. Step 3: Cross multiply
    88,959.17x = 133,417.79 × 32,768.76
  4. Step 4: Simplify right side
    88,959.17x = 4,371,935,622.16
  5. Step 5: Solve for x
    x = 4,371,935,622.16/88,959.17
  6. Step 6: Final answer
    x = 49,145.42

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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.