Home / 77,266.68-115,909.20-27,336.48

Finding the Fourth Proportional to 77,266.68, 115,909.20 and 27,336.48

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Solution

The fourth proportional to 77,266.68, 115,909.20 and 27,336.48 is: 41,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,266.68 : 115,909.20 = 27,336.48 : x
  2. Step 2: Convert to fraction form
    77,266.68/115,909.20 = 27,336.48/x
  3. Step 3: Cross multiply
    77,266.68x = 115,909.20 × 27,336.48
  4. Step 4: Simplify right side
    77,266.68x = 3,168,549,527.62
  5. Step 5: Solve for x
    x = 3,168,549,527.62/77,266.68
  6. Step 6: Final answer
    x = 41,007.97

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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.