Home / 54,753.71-75,560.11-30,880.41

Finding the Fourth Proportional to 54,753.71, 75,560.11 and 30,880.41

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Solution

The fourth proportional to 54,753.71, 75,560.11 and 30,880.41 is: 42,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.71 : 75,560.11 = 30,880.41 : x
  2. Step 2: Convert to fraction form
    54,753.71/75,560.11 = 30,880.41/x
  3. Step 3: Cross multiply
    54,753.71x = 75,560.11 × 30,880.41
  4. Step 4: Simplify right side
    54,753.71x = 2,333,326,815.89
  5. Step 5: Solve for x
    x = 2,333,326,815.89/54,753.71
  6. Step 6: Final answer
    x = 42,614.96

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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.