Home / 107,507.28-161,264.52-37,387.20

Finding the Fourth Proportional to 107,507.28, 161,264.52 and 37,387.20

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Solution

The fourth proportional to 107,507.28, 161,264.52 and 37,387.20 is: 56,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,507.28 : 161,264.52 = 37,387.20 : x
  2. Step 2: Convert to fraction form
    107,507.28/161,264.52 = 37,387.20/x
  3. Step 3: Cross multiply
    107,507.28x = 161,264.52 × 37,387.20
  4. Step 4: Simplify right side
    107,507.28x = 6,029,228,862.14
  5. Step 5: Solve for x
    x = 6,029,228,862.14/107,507.28
  6. Step 6: Final answer
    x = 56,082.05

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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.