Home / 83,492.49-124,943.10-51,917.42

Finding the Fourth Proportional to 83,492.49, 124,943.10 and 51,917.42

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Solution

The fourth proportional to 83,492.49, 124,943.10 and 51,917.42 is: 77,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,492.49 : 124,943.10 = 51,917.42 : x
  2. Step 2: Convert to fraction form
    83,492.49/124,943.10 = 51,917.42/x
  3. Step 3: Cross multiply
    83,492.49x = 124,943.10 × 51,917.42
  4. Step 4: Simplify right side
    83,492.49x = 6,486,723,398.80
  5. Step 5: Solve for x
    x = 6,486,723,398.80/83,492.49
  6. Step 6: Final answer
    x = 77,692.30

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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.