Home / 67,808.70-101,639.16-57,917.97

Finding the Fourth Proportional to 67,808.70, 101,639.16 and 57,917.97

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Solution

The fourth proportional to 67,808.70, 101,639.16 and 57,917.97 is: 86,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,808.70 : 101,639.16 = 57,917.97 : x
  2. Step 2: Convert to fraction form
    67,808.70/101,639.16 = 57,917.97/x
  3. Step 3: Cross multiply
    67,808.70x = 101,639.16 × 57,917.97
  4. Step 4: Simplify right side
    67,808.70x = 5,886,733,819.71
  5. Step 5: Solve for x
    x = 5,886,733,819.71/67,808.70
  6. Step 6: Final answer
    x = 86,813.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.