Home / 55,749.27-76,934.08-31,876.46

Finding the Fourth Proportional to 55,749.27, 76,934.08 and 31,876.46

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Solution

The fourth proportional to 55,749.27, 76,934.08 and 31,876.46 is: 43,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,749.27 : 76,934.08 = 31,876.46 : x
  2. Step 2: Convert to fraction form
    55,749.27/76,934.08 = 31,876.46/x
  3. Step 3: Cross multiply
    55,749.27x = 76,934.08 × 31,876.46
  4. Step 4: Simplify right side
    55,749.27x = 2,452,386,123.76
  5. Step 5: Solve for x
    x = 2,452,386,123.76/55,749.27
  6. Step 6: Final answer
    x = 43,989.56

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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.