Home / 54,248.07-74,862.45-30,375.75

Finding the Fourth Proportional to 54,248.07, 74,862.45 and 30,375.75

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Solution

The fourth proportional to 54,248.07, 74,862.45 and 30,375.75 is: 41,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,248.07 : 74,862.45 = 30,375.75 : x
  2. Step 2: Convert to fraction form
    54,248.07/74,862.45 = 30,375.75/x
  3. Step 3: Cross multiply
    54,248.07x = 74,862.45 × 30,375.75
  4. Step 4: Simplify right side
    54,248.07x = 2,274,003,065.59
  5. Step 5: Solve for x
    x = 2,274,003,065.59/54,248.07
  6. Step 6: Final answer
    x = 41,918.60

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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.