Home / 109,874.24-151,590.72-62,122.88

Finding the Fourth Proportional to 109,874.24, 151,590.72 and 62,122.88

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Solution

The fourth proportional to 109,874.24, 151,590.72 and 62,122.88 is: 85,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,874.24 : 151,590.72 = 62,122.88 : x
  2. Step 2: Convert to fraction form
    109,874.24/151,590.72 = 62,122.88/x
  3. Step 3: Cross multiply
    109,874.24x = 151,590.72 × 62,122.88
  4. Step 4: Simplify right side
    109,874.24x = 9,417,252,107.67
  5. Step 5: Solve for x
    x = 9,417,252,107.67/109,874.24
  6. Step 6: Final answer
    x = 85,709.37

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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.