Home / 52,729.39-79,085.13-23,139.28

Finding the Fourth Proportional to 52,729.39, 79,085.13 and 23,139.28

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Solution

The fourth proportional to 52,729.39, 79,085.13 and 23,139.28 is: 34,704.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,729.39 : 79,085.13 = 23,139.28 : x
  2. Step 2: Convert to fraction form
    52,729.39/79,085.13 = 23,139.28/x
  3. Step 3: Cross multiply
    52,729.39x = 79,085.13 × 23,139.28
  4. Step 4: Simplify right side
    52,729.39x = 1,829,972,966.91
  5. Step 5: Solve for x
    x = 1,829,972,966.91/52,729.39
  6. Step 6: Final answer
    x = 34,704.99

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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.