Home / 82,215.66-113,457.76-44,489.92

Finding the Fourth Proportional to 82,215.66, 113,457.76 and 44,489.92

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Solution

The fourth proportional to 82,215.66, 113,457.76 and 44,489.92 is: 61,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,215.66 : 113,457.76 = 44,489.92 : x
  2. Step 2: Convert to fraction form
    82,215.66/113,457.76 = 44,489.92/x
  3. Step 3: Cross multiply
    82,215.66x = 113,457.76 × 44,489.92
  4. Step 4: Simplify right side
    82,215.66x = 5,047,726,665.78
  5. Step 5: Solve for x
    x = 5,047,726,665.78/82,215.66
  6. Step 6: Final answer
    x = 61,396.17

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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.