Home / 79,264.11-109,385.36-45,277.08

Finding the Fourth Proportional to 79,264.11, 109,385.36 and 45,277.08

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Solution

The fourth proportional to 79,264.11, 109,385.36 and 45,277.08 is: 62,482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,264.11 : 109,385.36 = 45,277.08 : x
  2. Step 2: Convert to fraction form
    79,264.11/109,385.36 = 45,277.08/x
  3. Step 3: Cross multiply
    79,264.11x = 109,385.36 × 45,277.08
  4. Step 4: Simplify right side
    79,264.11x = 4,952,649,469.16
  5. Step 5: Solve for x
    x = 4,952,649,469.16/79,264.11
  6. Step 6: Final answer
    x = 62,482.88

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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.