Home / 66,863.20-92,284.92-38,565.04

Finding the Fourth Proportional to 66,863.20, 92,284.92 and 38,565.04

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Solution

The fourth proportional to 66,863.20, 92,284.92 and 38,565.04 is: 53,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,863.20 : 92,284.92 = 38,565.04 : x
  2. Step 2: Convert to fraction form
    66,863.20/92,284.92 = 38,565.04/x
  3. Step 3: Cross multiply
    66,863.20x = 92,284.92 × 38,565.04
  4. Step 4: Simplify right side
    66,863.20x = 3,558,971,631.20
  5. Step 5: Solve for x
    x = 3,558,971,631.20/66,863.20
  6. Step 6: Final answer
    x = 53,227.66

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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.