Home / 125,930.76-188,874.22-47,045.64

Finding the Fourth Proportional to 125,930.76, 188,874.22 and 47,045.64

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Solution

The fourth proportional to 125,930.76, 188,874.22 and 47,045.64 is: 70,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,930.76 : 188,874.22 = 47,045.64 : x
  2. Step 2: Convert to fraction form
    125,930.76/188,874.22 = 47,045.64/x
  3. Step 3: Cross multiply
    125,930.76x = 188,874.22 × 47,045.64
  4. Step 4: Simplify right side
    125,930.76x = 8,885,708,559.40
  5. Step 5: Solve for x
    x = 8,885,708,559.40/125,930.76
  6. Step 6: Final answer
    x = 70,560.27

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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.