Home / 55,836.57-77,066.61-34,344.78

Finding the Fourth Proportional to 55,836.57, 77,066.61 and 34,344.78

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Solution

The fourth proportional to 55,836.57, 77,066.61 and 34,344.78 is: 47,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,836.57 : 77,066.61 = 34,344.78 : x
  2. Step 2: Convert to fraction form
    55,836.57/77,066.61 = 34,344.78/x
  3. Step 3: Cross multiply
    55,836.57x = 77,066.61 × 34,344.78
  4. Step 4: Simplify right side
    55,836.57x = 2,646,835,765.80
  5. Step 5: Solve for x
    x = 2,646,835,765.80/55,836.57
  6. Step 6: Final answer
    x = 47,403.27

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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.