Home / 67,643.18-93,326.43-40,793.90

Finding the Fourth Proportional to 67,643.18, 93,326.43 and 40,793.90

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Solution

The fourth proportional to 67,643.18, 93,326.43 and 40,793.90 is: 56,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,643.18 : 93,326.43 = 40,793.90 : x
  2. Step 2: Convert to fraction form
    67,643.18/93,326.43 = 40,793.90/x
  3. Step 3: Cross multiply
    67,643.18x = 93,326.43 × 40,793.90
  4. Step 4: Simplify right side
    67,643.18x = 3,807,149,052.78
  5. Step 5: Solve for x
    x = 3,807,149,052.78/67,643.18
  6. Step 6: Final answer
    x = 56,282.82

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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.