Home / 67,131.88-92,644.67-40,264.58

Finding the Fourth Proportional to 67,131.88, 92,644.67 and 40,264.58

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Solution

The fourth proportional to 67,131.88, 92,644.67 and 40,264.58 is: 55,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,131.88 : 92,644.67 = 40,264.58 : x
  2. Step 2: Convert to fraction form
    67,131.88/92,644.67 = 40,264.58/x
  3. Step 3: Cross multiply
    67,131.88x = 92,644.67 × 40,264.58
  4. Step 4: Simplify right side
    67,131.88x = 3,730,298,726.79
  5. Step 5: Solve for x
    x = 3,730,298,726.79/67,131.88
  6. Step 6: Final answer
    x = 55,566.73

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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.