Home / 54,375.68-75,046.02-39,316.98

Finding the Fourth Proportional to 54,375.68, 75,046.02 and 39,316.98

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Solution

The fourth proportional to 54,375.68, 75,046.02 and 39,316.98 is: 54,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,375.68 : 75,046.02 = 39,316.98 : x
  2. Step 2: Convert to fraction form
    54,375.68/75,046.02 = 39,316.98/x
  3. Step 3: Cross multiply
    54,375.68x = 75,046.02 × 39,316.98
  4. Step 4: Simplify right side
    54,375.68x = 2,950,582,867.42
  5. Step 5: Solve for x
    x = 2,950,582,867.42/54,375.68
  6. Step 6: Final answer
    x = 54,262.91

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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.