Home / 78,174.19-107,871.75-44,182.67

Finding the Fourth Proportional to 78,174.19, 107,871.75 and 44,182.67

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Solution

The fourth proportional to 78,174.19, 107,871.75 and 44,182.67 is: 60,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,174.19 : 107,871.75 = 44,182.67 : x
  2. Step 2: Convert to fraction form
    78,174.19/107,871.75 = 44,182.67/x
  3. Step 3: Cross multiply
    78,174.19x = 107,871.75 × 44,182.67
  4. Step 4: Simplify right side
    78,174.19x = 4,766,061,932.57
  5. Step 5: Solve for x
    x = 4,766,061,932.57/78,174.19
  6. Step 6: Final answer
    x = 60,967.21

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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.