Home / 79,507.29-109,713.61-45,508.04

Finding the Fourth Proportional to 79,507.29, 109,713.61 and 45,508.04

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Solution

The fourth proportional to 79,507.29, 109,713.61 and 45,508.04 is: 62,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,507.29 : 109,713.61 = 45,508.04 : x
  2. Step 2: Convert to fraction form
    79,507.29/109,713.61 = 45,508.04/x
  3. Step 3: Cross multiply
    79,507.29x = 109,713.61 × 45,508.04
  4. Step 4: Simplify right side
    79,507.29x = 4,992,851,352.42
  5. Step 5: Solve for x
    x = 4,992,851,352.42/79,507.29
  6. Step 6: Final answer
    x = 62,797.40

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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.