Home / 79,743.12-119,614.56-24,339.12

Finding the Fourth Proportional to 79,743.12, 119,614.56 and 24,339.12

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Solution

The fourth proportional to 79,743.12, 119,614.56 and 24,339.12 is: 36,508.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,743.12 : 119,614.56 = 24,339.12 : x
  2. Step 2: Convert to fraction form
    79,743.12/119,614.56 = 24,339.12/x
  3. Step 3: Cross multiply
    79,743.12x = 119,614.56 × 24,339.12
  4. Step 4: Simplify right side
    79,743.12x = 2,911,313,129.59
  5. Step 5: Solve for x
    x = 2,911,313,129.59/79,743.12
  6. Step 6: Final answer
    x = 36,508.64

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1.5x scale

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.