Home / 124,452.45-186,679.76-40,212.63

Finding the Fourth Proportional to 124,452.45, 186,679.76 and 40,212.63

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Solution

The fourth proportional to 124,452.45, 186,679.76 and 40,212.63 is: 60,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,452.45 : 186,679.76 = 40,212.63 : x
  2. Step 2: Convert to fraction form
    124,452.45/186,679.76 = 40,212.63/x
  3. Step 3: Cross multiply
    124,452.45x = 186,679.76 × 40,212.63
  4. Step 4: Simplify right side
    124,452.45x = 7,506,882,982.91
  5. Step 5: Solve for x
    x = 7,506,882,982.91/124,452.45
  6. Step 6: Final answer
    x = 60,319.29

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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.