Home / 66,787.13-92,166.38-36,160.55

Finding the Fourth Proportional to 66,787.13, 92,166.38 and 36,160.55

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Solution

The fourth proportional to 66,787.13, 92,166.38 and 36,160.55 is: 49,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,787.13 : 92,166.38 = 36,160.55 : x
  2. Step 2: Convert to fraction form
    66,787.13/92,166.38 = 36,160.55/x
  3. Step 3: Cross multiply
    66,787.13x = 92,166.38 × 36,160.55
  4. Step 4: Simplify right side
    66,787.13x = 3,332,786,350.67
  5. Step 5: Solve for x
    x = 3,332,786,350.67/66,787.13
  6. Step 6: Final answer
    x = 49,901.63

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1.5x scale

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.