Home / 125,790.52-173,576.82-72,060.88

Finding the Fourth Proportional to 125,790.52, 173,576.82 and 72,060.88

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Solution

The fourth proportional to 125,790.52, 173,576.82 and 72,060.88 is: 99,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,790.52 : 173,576.82 = 72,060.88 : x
  2. Step 2: Convert to fraction form
    125,790.52/173,576.82 = 72,060.88/x
  3. Step 3: Cross multiply
    125,790.52x = 173,576.82 × 72,060.88
  4. Step 4: Simplify right side
    125,790.52x = 12,508,098,396.80
  5. Step 5: Solve for x
    x = 12,508,098,396.80/125,790.52
  6. Step 6: Final answer
    x = 99,435.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.