Home / 67,742.29-93,489.29-40,891.33

Finding the Fourth Proportional to 67,742.29, 93,489.29 and 40,891.33

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Solution

The fourth proportional to 67,742.29, 93,489.29 and 40,891.33 is: 56,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,742.29 : 93,489.29 = 40,891.33 : x
  2. Step 2: Convert to fraction form
    67,742.29/93,489.29 = 40,891.33/x
  3. Step 3: Cross multiply
    67,742.29x = 93,489.29 × 40,891.33
  4. Step 4: Simplify right side
    67,742.29x = 3,822,901,408.86
  5. Step 5: Solve for x
    x = 3,822,901,408.86/67,742.29
  6. Step 6: Final answer
    x = 56,433.01

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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.