Home / 61,523.25-84,877.79-38,853.78

Finding the Fourth Proportional to 61,523.25, 84,877.79 and 38,853.78

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Solution

The fourth proportional to 61,523.25, 84,877.79 and 38,853.78 is: 53,602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,523.25 : 84,877.79 = 38,853.78 : x
  2. Step 2: Convert to fraction form
    61,523.25/84,877.79 = 38,853.78/x
  3. Step 3: Cross multiply
    61,523.25x = 84,877.79 × 38,853.78
  4. Step 4: Simplify right side
    61,523.25x = 3,297,822,785.28
  5. Step 5: Solve for x
    x = 3,297,822,785.28/61,523.25
  6. Step 6: Final answer
    x = 53,602.87

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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.