Home / 67,126.15-92,641.52-40,275.27

Finding the Fourth Proportional to 67,126.15, 92,641.52 and 40,275.27

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Solution

The fourth proportional to 67,126.15, 92,641.52 and 40,275.27 is: 55,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,126.15 : 92,641.52 = 40,275.27 : x
  2. Step 2: Convert to fraction form
    67,126.15/92,641.52 = 40,275.27/x
  3. Step 3: Cross multiply
    67,126.15x = 92,641.52 × 40,275.27
  4. Step 4: Simplify right side
    67,126.15x = 3,731,162,231.21
  5. Step 5: Solve for x
    x = 3,731,162,231.21/67,126.15
  6. Step 6: Final answer
    x = 55,584.33

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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.