Home / 89,432.64-134,172.18-39,523.68

Finding the Fourth Proportional to 89,432.64, 134,172.18 and 39,523.68

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Solution

The fourth proportional to 89,432.64, 134,172.18 and 39,523.68 is: 59,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,432.64 : 134,172.18 = 39,523.68 : x
  2. Step 2: Convert to fraction form
    89,432.64/134,172.18 = 39,523.68/x
  3. Step 3: Cross multiply
    89,432.64x = 134,172.18 × 39,523.68
  4. Step 4: Simplify right side
    89,432.64x = 5,302,978,307.22
  5. Step 5: Solve for x
    x = 5,302,978,307.22/89,432.64
  6. Step 6: Final answer
    x = 59,295.78

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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.