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Finding the Fourth Proportional to 89,601.79, 134,180.95 and 52,047.96

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Solution

The fourth proportional to 89,601.79, 134,180.95 and 52,047.96 is: 77,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,601.79 : 134,180.95 = 52,047.96 : x
  2. Step 2: Convert to fraction form
    89,601.79/134,180.95 = 52,047.96/x
  3. Step 3: Cross multiply
    89,601.79x = 134,180.95 × 52,047.96
  4. Step 4: Simplify right side
    89,601.79x = 6,983,844,458.12
  5. Step 5: Solve for x
    x = 6,983,844,458.12/89,601.79
  6. Step 6: Final answer
    x = 77,943.14

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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.