Home / 54,132.90-74,702.08-30,262.38

Finding the Fourth Proportional to 54,132.90, 74,702.08 and 30,262.38

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Solution

The fourth proportional to 54,132.90, 74,702.08 and 30,262.38 is: 41,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,132.90 : 74,702.08 = 30,262.38 : x
  2. Step 2: Convert to fraction form
    54,132.90/74,702.08 = 30,262.38/x
  3. Step 3: Cross multiply
    54,132.90x = 74,702.08 × 30,262.38
  4. Step 4: Simplify right side
    54,132.90x = 2,260,662,731.75
  5. Step 5: Solve for x
    x = 2,260,662,731.75/54,132.90
  6. Step 6: Final answer
    x = 41,761.35

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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.