Home / 42,451.80-63,669.54-40,344.46

Finding the Fourth Proportional to 42,451.80, 63,669.54 and 40,344.46

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Solution

The fourth proportional to 42,451.80, 63,669.54 and 40,344.46 is: 60,508.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,451.80 : 63,669.54 = 40,344.46 : x
  2. Step 2: Convert to fraction form
    42,451.80/63,669.54 = 40,344.46/x
  3. Step 3: Cross multiply
    42,451.80x = 63,669.54 × 40,344.46
  4. Step 4: Simplify right side
    42,451.80x = 2,568,713,209.75
  5. Step 5: Solve for x
    x = 2,568,713,209.75/42,451.80
  6. Step 6: Final answer
    x = 60,508.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.