Home / 83,396.88-125,108.27-28,005.84

Finding the Fourth Proportional to 83,396.88, 125,108.27 and 28,005.84

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Solution

The fourth proportional to 83,396.88, 125,108.27 and 28,005.84 is: 42,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,396.88 : 125,108.27 = 28,005.84 : x
  2. Step 2: Convert to fraction form
    83,396.88/125,108.27 = 28,005.84/x
  3. Step 3: Cross multiply
    83,396.88x = 125,108.27 × 28,005.84
  4. Step 4: Simplify right side
    83,396.88x = 3,503,762,192.30
  5. Step 5: Solve for x
    x = 3,503,762,192.30/83,396.88
  6. Step 6: Final answer
    x = 42,013.11

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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.