Home / 51,874.15-77,686.50-29,620.09

Finding the Fourth Proportional to 51,874.15, 77,686.50 and 29,620.09

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Solution

The fourth proportional to 51,874.15, 77,686.50 and 29,620.09 is: 44,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,874.15 : 77,686.50 = 29,620.09 : x
  2. Step 2: Convert to fraction form
    51,874.15/77,686.50 = 29,620.09/x
  3. Step 3: Cross multiply
    51,874.15x = 77,686.50 × 29,620.09
  4. Step 4: Simplify right side
    51,874.15x = 2,301,081,121.79
  5. Step 5: Solve for x
    x = 2,301,081,121.79/51,874.15
  6. Step 6: Final answer
    x = 44,358.92

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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.