Home / 83,219.79-124,817.37-30,616.97

Finding the Fourth Proportional to 83,219.79, 124,817.37 and 30,616.97

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Solution

The fourth proportional to 83,219.79, 124,817.37 and 30,616.97 is: 45,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,219.79 : 124,817.37 = 30,616.97 : x
  2. Step 2: Convert to fraction form
    83,219.79/124,817.37 = 30,616.97/x
  3. Step 3: Cross multiply
    83,219.79x = 124,817.37 × 30,616.97
  4. Step 4: Simplify right side
    83,219.79x = 3,821,529,672.77
  5. Step 5: Solve for x
    x = 3,821,529,672.77/83,219.79
  6. Step 6: Final answer
    x = 45,920.92

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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.