Home / 66,278.48-91,461.55-36,063.92

Finding the Fourth Proportional to 66,278.48, 91,461.55 and 36,063.92

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Solution

The fourth proportional to 66,278.48, 91,461.55 and 36,063.92 is: 49,766.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278.48 : 91,461.55 = 36,063.92 : x
  2. Step 2: Convert to fraction form
    66,278.48/91,461.55 = 36,063.92/x
  3. Step 3: Cross multiply
    66,278.48x = 91,461.55 × 36,063.92
  4. Step 4: Simplify right side
    66,278.48x = 3,298,462,022.28
  5. Step 5: Solve for x
    x = 3,298,462,022.28/66,278.48
  6. Step 6: Final answer
    x = 49,766.71

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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.