Home / 83,521.72-125,223.06-39,124.26

Finding the Fourth Proportional to 83,521.72, 125,223.06 and 39,124.26

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Solution

The fourth proportional to 83,521.72, 125,223.06 and 39,124.26 is: 58,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,521.72 : 125,223.06 = 39,124.26 : x
  2. Step 2: Convert to fraction form
    83,521.72/125,223.06 = 39,124.26/x
  3. Step 3: Cross multiply
    83,521.72x = 125,223.06 × 39,124.26
  4. Step 4: Simplify right side
    83,521.72x = 4,899,259,557.44
  5. Step 5: Solve for x
    x = 4,899,259,557.44/83,521.72
  6. Step 6: Final answer
    x = 58,658.51

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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.