Home / 79,642.34-119,537.42-40,227.14

Finding the Fourth Proportional to 79,642.34, 119,537.42 and 40,227.14

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Solution

The fourth proportional to 79,642.34, 119,537.42 and 40,227.14 is: 60,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,642.34 : 119,537.42 = 40,227.14 : x
  2. Step 2: Convert to fraction form
    79,642.34/119,537.42 = 40,227.14/x
  3. Step 3: Cross multiply
    79,642.34x = 119,537.42 × 40,227.14
  4. Step 4: Simplify right side
    79,642.34x = 4,808,648,529.58
  5. Step 5: Solve for x
    x = 4,808,648,529.58/79,642.34
  6. Step 6: Final answer
    x = 60,378.04

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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.