Home / 51,862.28-71,419.20-45,053.18

Finding the Fourth Proportional to 51,862.28, 71,419.20 and 45,053.18

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Solution

The fourth proportional to 51,862.28, 71,419.20 and 45,053.18 is: 62,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,862.28 : 71,419.20 = 45,053.18 : x
  2. Step 2: Convert to fraction form
    51,862.28/71,419.20 = 45,053.18/x
  3. Step 3: Cross multiply
    51,862.28x = 71,419.20 × 45,053.18
  4. Step 4: Simplify right side
    51,862.28x = 3,217,662,073.06
  5. Step 5: Solve for x
    x = 3,217,662,073.06/51,862.28
  6. Step 6: Final answer
    x = 62,042.43

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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.