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Finding the Fourth Proportional to 82,663.80, 114,072.87 and 44,938.05

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Solution

The fourth proportional to 82,663.80, 114,072.87 and 44,938.05 is: 62,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,663.80 : 114,072.87 = 44,938.05 : x
  2. Step 2: Convert to fraction form
    82,663.80/114,072.87 = 44,938.05/x
  3. Step 3: Cross multiply
    82,663.80x = 114,072.87 × 44,938.05
  4. Step 4: Simplify right side
    82,663.80x = 5,126,212,335.70
  5. Step 5: Solve for x
    x = 5,126,212,335.70/82,663.80
  6. Step 6: Final answer
    x = 62,012.78

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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.