Home / 79,661.34-119,565.92-40,246.13

Finding the Fourth Proportional to 79,661.34, 119,565.92 and 40,246.13

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Solution

The fourth proportional to 79,661.34, 119,565.92 and 40,246.13 is: 60,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,661.34 : 119,565.92 = 40,246.13 : x
  2. Step 2: Convert to fraction form
    79,661.34/119,565.92 = 40,246.13/x
  3. Step 3: Cross multiply
    79,661.34x = 119,565.92 × 40,246.13
  4. Step 4: Simplify right side
    79,661.34x = 4,812,065,959.42
  5. Step 5: Solve for x
    x = 4,812,065,959.42/79,661.34
  6. Step 6: Final answer
    x = 60,406.54

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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.