Home / 123,862.43-185,765.67-57,266.19

Finding the Fourth Proportional to 123,862.43, 185,765.67 and 57,266.19

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Solution

The fourth proportional to 123,862.43, 185,765.67 and 57,266.19 is: 85,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,862.43 : 185,765.67 = 57,266.19 : x
  2. Step 2: Convert to fraction form
    123,862.43/185,765.67 = 57,266.19/x
  3. Step 3: Cross multiply
    123,862.43x = 185,765.67 × 57,266.19
  4. Step 4: Simplify right side
    123,862.43x = 10,638,092,153.70
  5. Step 5: Solve for x
    x = 10,638,092,153.70/123,862.43
  6. Step 6: Final answer
    x = 85,886.35

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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.