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Finding the Fourth Proportional to 82,505.38, 113,857.38 and 44,779.62

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Solution

The fourth proportional to 82,505.38, 113,857.38 and 44,779.62 is: 61,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,505.38 : 113,857.38 = 44,779.62 : x
  2. Step 2: Convert to fraction form
    82,505.38/113,857.38 = 44,779.62/x
  3. Step 3: Cross multiply
    82,505.38x = 113,857.38 × 44,779.62
  4. Step 4: Simplify right side
    82,505.38x = 5,098,490,210.60
  5. Step 5: Solve for x
    x = 5,098,490,210.60/82,505.38
  6. Step 6: Final answer
    x = 61,795.85

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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.