Home / 82,098.90-113,299.84-51,873.19

Finding the Fourth Proportional to 82,098.90, 113,299.84 and 51,873.19

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Solution

The fourth proportional to 82,098.90, 113,299.84 and 51,873.19 is: 71,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,098.90 : 113,299.84 = 51,873.19 : x
  2. Step 2: Convert to fraction form
    82,098.90/113,299.84 = 51,873.19/x
  3. Step 3: Cross multiply
    82,098.90x = 113,299.84 × 51,873.19
  4. Step 4: Simplify right side
    82,098.90x = 5,877,224,325.44
  5. Step 5: Solve for x
    x = 5,877,224,325.44/82,098.90
  6. Step 6: Final answer
    x = 71,587.13

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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.