Home / 66,278.29-91,461.27-36,063.73

Finding the Fourth Proportional to 66,278.29, 91,461.27 and 36,063.73

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Solution

The fourth proportional to 66,278.29, 91,461.27 and 36,063.73 is: 49,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278.29 : 91,461.27 = 36,063.73 : x
  2. Step 2: Convert to fraction form
    66,278.29/91,461.27 = 36,063.73/x
  3. Step 3: Cross multiply
    66,278.29x = 91,461.27 × 36,063.73
  4. Step 4: Simplify right side
    66,278.29x = 3,298,434,546.74
  5. Step 5: Solve for x
    x = 3,298,434,546.74/66,278.29
  6. Step 6: Final answer
    x = 49,766.44

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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.