Home / 84,995.57-127,521.10-40,625.79

Finding the Fourth Proportional to 84,995.57, 127,521.10 and 40,625.79

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Solution

The fourth proportional to 84,995.57, 127,521.10 and 40,625.79 is: 60,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,995.57 : 127,521.10 = 40,625.79 : x
  2. Step 2: Convert to fraction form
    84,995.57/127,521.10 = 40,625.79/x
  3. Step 3: Cross multiply
    84,995.57x = 127,521.10 × 40,625.79
  4. Step 4: Simplify right side
    84,995.57x = 5,180,645,001.75
  5. Step 5: Solve for x
    x = 5,180,645,001.75/84,995.57
  6. Step 6: Final answer
    x = 60,951.94

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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.