Home / 79,549.89-119,324.78-23,390.46

Finding the Fourth Proportional to 79,549.89, 119,324.78 and 23,390.46

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Solution

The fourth proportional to 79,549.89, 119,324.78 and 23,390.46 is: 35,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,549.89 : 119,324.78 = 23,390.46 : x
  2. Step 2: Convert to fraction form
    79,549.89/119,324.78 = 23,390.46/x
  3. Step 3: Cross multiply
    79,549.89x = 119,324.78 × 23,390.46
  4. Step 4: Simplify right side
    79,549.89x = 2,791,061,376.65
  5. Step 5: Solve for x
    x = 2,791,061,376.65/79,549.89
  6. Step 6: Final answer
    x = 35,085.67

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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.