Home / 83,960.56-115,862.02-48,125.76

Finding the Fourth Proportional to 83,960.56, 115,862.02 and 48,125.76

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Solution

The fourth proportional to 83,960.56, 115,862.02 and 48,125.76 is: 66,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,960.56 : 115,862.02 = 48,125.76 : x
  2. Step 2: Convert to fraction form
    83,960.56/115,862.02 = 48,125.76/x
  3. Step 3: Cross multiply
    83,960.56x = 115,862.02 × 48,125.76
  4. Step 4: Simplify right side
    83,960.56x = 5,575,947,767.64
  5. Step 5: Solve for x
    x = 5,575,947,767.64/83,960.56
  6. Step 6: Final answer
    x = 66,411.51

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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.