Home / 54,272.08-74,938.72-36,140.48

Finding the Fourth Proportional to 54,272.08, 74,938.72 and 36,140.48

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Solution

The fourth proportional to 54,272.08, 74,938.72 and 36,140.48 is: 49,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.08 : 74,938.72 = 36,140.48 : x
  2. Step 2: Convert to fraction form
    54,272.08/74,938.72 = 36,140.48/x
  3. Step 3: Cross multiply
    54,272.08x = 74,938.72 × 36,140.48
  4. Step 4: Simplify right side
    54,272.08x = 2,708,321,311.39
  5. Step 5: Solve for x
    x = 2,708,321,311.39/54,272.08
  6. Step 6: Final answer
    x = 49,902.66

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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.