Home / 84,850.75-127,302.72-34,954.36

Finding the Fourth Proportional to 84,850.75, 127,302.72 and 34,954.36

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Solution

The fourth proportional to 84,850.75, 127,302.72 and 34,954.36 is: 52,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,850.75 : 127,302.72 = 34,954.36 : x
  2. Step 2: Convert to fraction form
    84,850.75/127,302.72 = 34,954.36/x
  3. Step 3: Cross multiply
    84,850.75x = 127,302.72 × 34,954.36
  4. Step 4: Simplify right side
    84,850.75x = 4,449,785,103.86
  5. Step 5: Solve for x
    x = 4,449,785,103.86/84,850.75
  6. Step 6: Final answer
    x = 52,442.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.