Home / 67,891.43-93,625.08-40,663.15

Finding the Fourth Proportional to 67,891.43, 93,625.08 and 40,663.15

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Solution

The fourth proportional to 67,891.43, 93,625.08 and 40,663.15 is: 56,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,891.43 : 93,625.08 = 40,663.15 : x
  2. Step 2: Convert to fraction form
    67,891.43/93,625.08 = 40,663.15/x
  3. Step 3: Cross multiply
    67,891.43x = 93,625.08 × 40,663.15
  4. Step 4: Simplify right side
    67,891.43x = 3,807,090,671.80
  5. Step 5: Solve for x
    x = 3,807,090,671.80/67,891.43
  6. Step 6: Final answer
    x = 56,076.16

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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.