Home / 83,824.98-115,726.13-55,227.67

Finding the Fourth Proportional to 83,824.98, 115,726.13 and 55,227.67

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Solution

The fourth proportional to 83,824.98, 115,726.13 and 55,227.67 is: 76,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,824.98 : 115,726.13 = 55,227.67 : x
  2. Step 2: Convert to fraction form
    83,824.98/115,726.13 = 55,227.67/x
  3. Step 3: Cross multiply
    83,824.98x = 115,726.13 × 55,227.67
  4. Step 4: Simplify right side
    83,824.98x = 6,391,284,888.29
  5. Step 5: Solve for x
    x = 6,391,284,888.29/83,824.98
  6. Step 6: Final answer
    x = 76,245.59

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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.