Home / 125,711.10-188,442.09-59,031.86

Finding the Fourth Proportional to 125,711.10, 188,442.09 and 59,031.86

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Solution

The fourth proportional to 125,711.10, 188,442.09 and 59,031.86 is: 88,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,711.10 : 188,442.09 = 59,031.86 : x
  2. Step 2: Convert to fraction form
    125,711.10/188,442.09 = 59,031.86/x
  3. Step 3: Cross multiply
    125,711.10x = 188,442.09 × 59,031.86
  4. Step 4: Simplify right side
    125,711.10x = 11,124,087,546.09
  5. Step 5: Solve for x
    x = 11,124,087,546.09/125,711.10
  6. Step 6: Final answer
    x = 88,489.30

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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.