Home / 104,515.81-144,233.13-56,769.96

Finding the Fourth Proportional to 104,515.81, 144,233.13 and 56,769.96

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Solution

The fourth proportional to 104,515.81, 144,233.13 and 56,769.96 is: 78,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,515.81 : 144,233.13 = 56,769.96 : x
  2. Step 2: Convert to fraction form
    104,515.81/144,233.13 = 56,769.96/x
  3. Step 3: Cross multiply
    104,515.81x = 144,233.13 × 56,769.96
  4. Step 4: Simplify right side
    104,515.81x = 8,188,109,020.77
  5. Step 5: Solve for x
    x = 8,188,109,020.77/104,515.81
  6. Step 6: Final answer
    x = 78,343.26

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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.