Home / 83,180.94-124,733.61-53,787.66

Finding the Fourth Proportional to 83,180.94, 124,733.61 and 53,787.66

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Solution

The fourth proportional to 83,180.94, 124,733.61 and 53,787.66 is: 80,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,180.94 : 124,733.61 = 53,787.66 : x
  2. Step 2: Convert to fraction form
    83,180.94/124,733.61 = 53,787.66/x
  3. Step 3: Cross multiply
    83,180.94x = 124,733.61 × 53,787.66
  4. Step 4: Simplify right side
    83,180.94x = 6,709,129,005.25
  5. Step 5: Solve for x
    x = 6,709,129,005.25/83,180.94
  6. Step 6: Final answer
    x = 80,657.05

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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.