Home / 54,432.72-75,118.32-30,560.04

Finding the Fourth Proportional to 54,432.72, 75,118.32 and 30,560.04

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Solution

The fourth proportional to 54,432.72, 75,118.32 and 30,560.04 is: 42,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432.72 : 75,118.32 = 30,560.04 : x
  2. Step 2: Convert to fraction form
    54,432.72/75,118.32 = 30,560.04/x
  3. Step 3: Cross multiply
    54,432.72x = 75,118.32 × 30,560.04
  4. Step 4: Simplify right side
    54,432.72x = 2,295,618,863.93
  5. Step 5: Solve for x
    x = 2,295,618,863.93/54,432.72
  6. Step 6: Final answer
    x = 42,173.51

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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.