Home / 88,490.40-132,516.90-58,747.20

Finding the Fourth Proportional to 88,490.40, 132,516.90 and 58,747.20

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Solution

The fourth proportional to 88,490.40, 132,516.90 and 58,747.20 is: 87,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,490.40 : 132,516.90 = 58,747.20 : x
  2. Step 2: Convert to fraction form
    88,490.40/132,516.90 = 58,747.20/x
  3. Step 3: Cross multiply
    88,490.40x = 132,516.90 × 58,747.20
  4. Step 4: Simplify right side
    88,490.40x = 7,784,996,827.68
  5. Step 5: Solve for x
    x = 7,784,996,827.68/88,490.40
  6. Step 6: Final answer
    x = 87,975.61

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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.