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Finding the Fourth Proportional to 89,232.61, 133,851.63 and 22,672.75

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Solution

The fourth proportional to 89,232.61, 133,851.63 and 22,672.75 is: 34,009.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.61 : 133,851.63 = 22,672.75 : x
  2. Step 2: Convert to fraction form
    89,232.61/133,851.63 = 22,672.75/x
  3. Step 3: Cross multiply
    89,232.61x = 133,851.63 × 22,672.75
  4. Step 4: Simplify right side
    89,232.61x = 3,034,784,544.08
  5. Step 5: Solve for x
    x = 3,034,784,544.08/89,232.61
  6. Step 6: Final answer
    x = 34,009.81

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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.