Home / 83,635.56-115,469.10-58,133.88

Finding the Fourth Proportional to 83,635.56, 115,469.10 and 58,133.88

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Solution

The fourth proportional to 83,635.56, 115,469.10 and 58,133.88 is: 80,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,635.56 : 115,469.10 = 58,133.88 : x
  2. Step 2: Convert to fraction form
    83,635.56/115,469.10 = 58,133.88/x
  3. Step 3: Cross multiply
    83,635.56x = 115,469.10 × 58,133.88
  4. Step 4: Simplify right side
    83,635.56x = 6,712,666,803.11
  5. Step 5: Solve for x
    x = 6,712,666,803.11/83,635.56
  6. Step 6: Final answer
    x = 80,260.92

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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.