Home / 54,750.18-75,557.82-30,876.36

Finding the Fourth Proportional to 54,750.18, 75,557.82 and 30,876.36

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Solution

The fourth proportional to 54,750.18, 75,557.82 and 30,876.36 is: 42,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,750.18 : 75,557.82 = 30,876.36 : x
  2. Step 2: Convert to fraction form
    54,750.18/75,557.82 = 30,876.36/x
  3. Step 3: Cross multiply
    54,750.18x = 75,557.82 × 30,876.36
  4. Step 4: Simplify right side
    54,750.18x = 2,332,950,451.14
  5. Step 5: Solve for x
    x = 2,332,950,451.14/54,750.18
  6. Step 6: Final answer
    x = 42,610.83

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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.