Home / 54,377.78-75,041.46-31,732.34

Finding the Fourth Proportional to 54,377.78, 75,041.46 and 31,732.34

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Solution

The fourth proportional to 54,377.78, 75,041.46 and 31,732.34 is: 43,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,377.78 : 75,041.46 = 31,732.34 : x
  2. Step 2: Convert to fraction form
    54,377.78/75,041.46 = 31,732.34/x
  3. Step 3: Cross multiply
    54,377.78x = 75,041.46 × 31,732.34
  4. Step 4: Simplify right side
    54,377.78x = 2,381,241,122.82
  5. Step 5: Solve for x
    x = 2,381,241,122.82/54,377.78
  6. Step 6: Final answer
    x = 43,790.70

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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.