Home / 66,535.94-91,838.13-38,250.74

Finding the Fourth Proportional to 66,535.94, 91,838.13 and 38,250.74

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Solution

The fourth proportional to 66,535.94, 91,838.13 and 38,250.74 is: 52,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535.94 : 91,838.13 = 38,250.74 : x
  2. Step 2: Convert to fraction form
    66,535.94/91,838.13 = 38,250.74/x
  3. Step 3: Cross multiply
    66,535.94x = 91,838.13 × 38,250.74
  4. Step 4: Simplify right side
    66,535.94x = 3,512,876,432.72
  5. Step 5: Solve for x
    x = 3,512,876,432.72/66,535.94
  6. Step 6: Final answer
    x = 52,796.68

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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.