Home / 84,877.19-117,078.62-50,398.55

Finding the Fourth Proportional to 84,877.19, 117,078.62 and 50,398.55

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Solution

The fourth proportional to 84,877.19, 117,078.62 and 50,398.55 is: 69,519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,877.19 : 117,078.62 = 50,398.55 : x
  2. Step 2: Convert to fraction form
    84,877.19/117,078.62 = 50,398.55/x
  3. Step 3: Cross multiply
    84,877.19x = 117,078.62 × 50,398.55
  4. Step 4: Simplify right side
    84,877.19x = 5,900,591,846.62
  5. Step 5: Solve for x
    x = 5,900,591,846.62/84,877.19
  6. Step 6: Final answer
    x = 69,519.17

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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.