Home / 109,935.72-151,714.68-62,188.20

Finding the Fourth Proportional to 109,935.72, 151,714.68 and 62,188.20

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Solution

The fourth proportional to 109,935.72, 151,714.68 and 62,188.20 is: 85,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,935.72 : 151,714.68 = 62,188.20 : x
  2. Step 2: Convert to fraction form
    109,935.72/151,714.68 = 62,188.20/x
  3. Step 3: Cross multiply
    109,935.72x = 151,714.68 × 62,188.20
  4. Step 4: Simplify right side
    109,935.72x = 9,434,862,862.78
  5. Step 5: Solve for x
    x = 9,434,862,862.78/109,935.72
  6. Step 6: Final answer
    x = 85,821.63

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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.