Home / 76,132.19-114,122.96-36,080.78

Finding the Fourth Proportional to 76,132.19, 114,122.96 and 36,080.78

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Solution

The fourth proportional to 76,132.19, 114,122.96 and 36,080.78 is: 54,085.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,132.19 : 114,122.96 = 36,080.78 : x
  2. Step 2: Convert to fraction form
    76,132.19/114,122.96 = 36,080.78/x
  3. Step 3: Cross multiply
    76,132.19x = 114,122.96 × 36,080.78
  4. Step 4: Simplify right side
    76,132.19x = 4,117,645,438.93
  5. Step 5: Solve for x
    x = 4,117,645,438.93/76,132.19
  6. Step 6: Final answer
    x = 54,085.47

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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.