Home / 65,616.20-90,549.33-36,935.79

Finding the Fourth Proportional to 65,616.20, 90,549.33 and 36,935.79

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Solution

The fourth proportional to 65,616.20, 90,549.33 and 36,935.79 is: 50,970.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616.20 : 90,549.33 = 36,935.79 : x
  2. Step 2: Convert to fraction form
    65,616.20/90,549.33 = 36,935.79/x
  3. Step 3: Cross multiply
    65,616.20x = 90,549.33 × 36,935.79
  4. Step 4: Simplify right side
    65,616.20x = 3,344,511,377.08
  5. Step 5: Solve for x
    x = 3,344,511,377.08/65,616.20
  6. Step 6: Final answer
    x = 50,970.82

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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.