Home / 123,844.16-185,719.07-52,721.90

Finding the Fourth Proportional to 123,844.16, 185,719.07 and 52,721.90

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Solution

The fourth proportional to 123,844.16, 185,719.07 and 52,721.90 is: 79,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,844.16 : 185,719.07 = 52,721.90 : x
  2. Step 2: Convert to fraction form
    123,844.16/185,719.07 = 52,721.90/x
  3. Step 3: Cross multiply
    123,844.16x = 185,719.07 × 52,721.90
  4. Step 4: Simplify right side
    123,844.16x = 9,791,461,044.43
  5. Step 5: Solve for x
    x = 9,791,461,044.43/123,844.16
  6. Step 6: Final answer
    x = 79,062.76

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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.