Home / 55,845.72-77,013.90-36,691.56

Finding the Fourth Proportional to 55,845.72, 77,013.90 and 36,691.56

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Solution

The fourth proportional to 55,845.72, 77,013.90 and 36,691.56 is: 50,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,845.72 : 77,013.90 = 36,691.56 : x
  2. Step 2: Convert to fraction form
    55,845.72/77,013.90 = 36,691.56/x
  3. Step 3: Cross multiply
    55,845.72x = 77,013.90 × 36,691.56
  4. Step 4: Simplify right side
    55,845.72x = 2,825,760,132.68
  5. Step 5: Solve for x
    x = 2,825,760,132.68/55,845.72
  6. Step 6: Final answer
    x = 50,599.40

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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.