Home / 54,545.12-75,272.72-30,671.59

Finding the Fourth Proportional to 54,545.12, 75,272.72 and 30,671.59

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Solution

The fourth proportional to 54,545.12, 75,272.72 and 30,671.59 is: 42,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,545.12 : 75,272.72 = 30,671.59 : x
  2. Step 2: Convert to fraction form
    54,545.12/75,272.72 = 30,671.59/x
  3. Step 3: Cross multiply
    54,545.12x = 75,272.72 × 30,671.59
  4. Step 4: Simplify right side
    54,545.12x = 2,308,734,006.02
  5. Step 5: Solve for x
    x = 2,308,734,006.02/54,545.12
  6. Step 6: Final answer
    x = 42,327.05

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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.