Home / 84,961.98-117,224.55-54,722.52

Finding the Fourth Proportional to 84,961.98, 117,224.55 and 54,722.52

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Solution

The fourth proportional to 84,961.98, 117,224.55 and 54,722.52 is: 75,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,961.98 : 117,224.55 = 54,722.52 : x
  2. Step 2: Convert to fraction form
    84,961.98/117,224.55 = 54,722.52/x
  3. Step 3: Cross multiply
    84,961.98x = 117,224.55 × 54,722.52
  4. Step 4: Simplify right side
    84,961.98x = 6,414,822,781.87
  5. Step 5: Solve for x
    x = 6,414,822,781.87/84,961.98
  6. Step 6: Final answer
    x = 75,502.28

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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.