Home / 55,041.66-75,958.16-31,167.72

Finding the Fourth Proportional to 55,041.66, 75,958.16 and 31,167.72

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Solution

The fourth proportional to 55,041.66, 75,958.16 and 31,167.72 is: 43,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,041.66 : 75,958.16 = 31,167.72 : x
  2. Step 2: Convert to fraction form
    55,041.66/75,958.16 = 31,167.72/x
  3. Step 3: Cross multiply
    55,041.66x = 75,958.16 × 31,167.72
  4. Step 4: Simplify right side
    55,041.66x = 2,367,442,506.76
  5. Step 5: Solve for x
    x = 2,367,442,506.76/55,041.66
  6. Step 6: Final answer
    x = 43,011.83

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1.5x scale

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.