Home / 83,734.41-125,708.22-54,275.52

Finding the Fourth Proportional to 83,734.41, 125,708.22 and 54,275.52

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Solution

The fourth proportional to 83,734.41, 125,708.22 and 54,275.52 is: 81,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,734.41 : 125,708.22 = 54,275.52 : x
  2. Step 2: Convert to fraction form
    83,734.41/125,708.22 = 54,275.52/x
  3. Step 3: Cross multiply
    83,734.41x = 125,708.22 × 54,275.52
  4. Step 4: Simplify right side
    83,734.41x = 6,822,879,008.77
  5. Step 5: Solve for x
    x = 6,822,879,008.77/83,734.41
  6. Step 6: Final answer
    x = 81,482.38

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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.