Home / 82,505.77-113,857.92-44,780.02

Finding the Fourth Proportional to 82,505.77, 113,857.92 and 44,780.02

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Solution

The fourth proportional to 82,505.77, 113,857.92 and 44,780.02 is: 61,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,505.77 : 113,857.92 = 44,780.02 : x
  2. Step 2: Convert to fraction form
    82,505.77/113,857.92 = 44,780.02/x
  3. Step 3: Cross multiply
    82,505.77x = 113,857.92 × 44,780.02
  4. Step 4: Simplify right side
    82,505.77x = 5,098,559,650.11
  5. Step 5: Solve for x
    x = 5,098,559,650.11/82,505.77
  6. Step 6: Final answer
    x = 61,796.40

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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.