Home / 83,521.79-125,223.15-39,124.32

Finding the Fourth Proportional to 83,521.79, 125,223.15 and 39,124.32

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Solution

The fourth proportional to 83,521.79, 125,223.15 and 39,124.32 is: 58,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,521.79 : 125,223.15 = 39,124.32 : x
  2. Step 2: Convert to fraction form
    83,521.79/125,223.15 = 39,124.32/x
  3. Step 3: Cross multiply
    83,521.79x = 125,223.15 × 39,124.32
  4. Step 4: Simplify right side
    83,521.79x = 4,899,270,592.01
  5. Step 5: Solve for x
    x = 4,899,270,592.01/83,521.79
  6. Step 6: Final answer
    x = 58,658.60

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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.