Home / 83,604.84-115,370.10-45,876.12

Finding the Fourth Proportional to 83,604.84, 115,370.10 and 45,876.12

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Solution

The fourth proportional to 83,604.84, 115,370.10 and 45,876.12 is: 63,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,604.84 : 115,370.10 = 45,876.12 : x
  2. Step 2: Convert to fraction form
    83,604.84/115,370.10 = 45,876.12/x
  3. Step 3: Cross multiply
    83,604.84x = 115,370.10 × 45,876.12
  4. Step 4: Simplify right side
    83,604.84x = 5,292,732,552.01
  5. Step 5: Solve for x
    x = 5,292,732,552.01/83,604.84
  6. Step 6: Final answer
    x = 63,306.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.