Home / 84,513.05-126,773.67-69,694.91

Finding the Fourth Proportional to 84,513.05, 126,773.67 and 69,694.91

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Solution

The fourth proportional to 84,513.05, 126,773.67 and 69,694.91 is: 104,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,513.05 : 126,773.67 = 69,694.91 : x
  2. Step 2: Convert to fraction form
    84,513.05/126,773.67 = 69,694.91/x
  3. Step 3: Cross multiply
    84,513.05x = 126,773.67 × 69,694.91
  4. Step 4: Simplify right side
    84,513.05x = 8,835,479,521.02
  5. Step 5: Solve for x
    x = 8,835,479,521.02/84,513.05
  6. Step 6: Final answer
    x = 104,545.74

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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.