Home / 123,763.14-185,614.95-57,139.26

Finding the Fourth Proportional to 123,763.14, 185,614.95 and 57,139.26

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Solution

The fourth proportional to 123,763.14, 185,614.95 and 57,139.26 is: 85,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,763.14 : 185,614.95 = 57,139.26 : x
  2. Step 2: Convert to fraction form
    123,763.14/185,614.95 = 57,139.26/x
  3. Step 3: Cross multiply
    123,763.14x = 185,614.95 × 57,139.26
  4. Step 4: Simplify right side
    123,763.14x = 10,605,900,887.94
  5. Step 5: Solve for x
    x = 10,605,900,887.94/123,763.14
  6. Step 6: Final answer
    x = 85,695.15

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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.