Home / 78,489.46-108,313.17-44,501.09

Finding the Fourth Proportional to 78,489.46, 108,313.17 and 44,501.09

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Solution

The fourth proportional to 78,489.46, 108,313.17 and 44,501.09 is: 61,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,489.46 : 108,313.17 = 44,501.09 : x
  2. Step 2: Convert to fraction form
    78,489.46/108,313.17 = 44,501.09/x
  3. Step 3: Cross multiply
    78,489.46x = 108,313.17 × 44,501.09
  4. Step 4: Simplify right side
    78,489.46x = 4,820,053,417.91
  5. Step 5: Solve for x
    x = 4,820,053,417.91/78,489.46
  6. Step 6: Final answer
    x = 61,410.20

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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.