Home / 61,540.08-84,925.44-38,919.48

Finding the Fourth Proportional to 61,540.08, 84,925.44 and 38,919.48

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Solution

The fourth proportional to 61,540.08, 84,925.44 and 38,919.48 is: 53,708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,540.08 : 84,925.44 = 38,919.48 : x
  2. Step 2: Convert to fraction form
    61,540.08/84,925.44 = 38,919.48/x
  3. Step 3: Cross multiply
    61,540.08x = 84,925.44 × 38,919.48
  4. Step 4: Simplify right side
    61,540.08x = 3,305,253,963.57
  5. Step 5: Solve for x
    x = 3,305,253,963.57/61,540.08
  6. Step 6: Final answer
    x = 53,708.96

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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.