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Finding the Fourth Proportional to 89,352.72, 134,060.22 and 59,486.94

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Solution

The fourth proportional to 89,352.72, 134,060.22 and 59,486.94 is: 89,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,352.72 : 134,060.22 = 59,486.94 : x
  2. Step 2: Convert to fraction form
    89,352.72/134,060.22 = 59,486.94/x
  3. Step 3: Cross multiply
    89,352.72x = 134,060.22 × 59,486.94
  4. Step 4: Simplify right side
    89,352.72x = 7,974,832,263.53
  5. Step 5: Solve for x
    x = 7,974,832,263.53/89,352.72
  6. Step 6: Final answer
    x = 89,251.14

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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.