Home / 79,044.18-109,126.10-52,264.36

Finding the Fourth Proportional to 79,044.18, 109,126.10 and 52,264.36

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Solution

The fourth proportional to 79,044.18, 109,126.10 and 52,264.36 is: 72,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,044.18 : 109,126.10 = 52,264.36 : x
  2. Step 2: Convert to fraction form
    79,044.18/109,126.10 = 52,264.36/x
  3. Step 3: Cross multiply
    79,044.18x = 109,126.10 × 52,264.36
  4. Step 4: Simplify right side
    79,044.18x = 5,703,405,775.80
  5. Step 5: Solve for x
    x = 5,703,405,775.80/79,044.18
  6. Step 6: Final answer
    x = 72,154.66

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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.