Home / 103,811.26-143,254.24-58,491.92

Finding the Fourth Proportional to 103,811.26, 143,254.24 and 58,491.92

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Solution

The fourth proportional to 103,811.26, 143,254.24 and 58,491.92 is: 80,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,811.26 : 143,254.24 = 58,491.92 : x
  2. Step 2: Convert to fraction form
    103,811.26/143,254.24 = 58,491.92/x
  3. Step 3: Cross multiply
    103,811.26x = 143,254.24 × 58,491.92
  4. Step 4: Simplify right side
    103,811.26x = 8,379,215,545.74
  5. Step 5: Solve for x
    x = 8,379,215,545.74/103,811.26
  6. Step 6: Final answer
    x = 80,715.86

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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.