Home / 76,276.40-114,414.60-23,691.20

Finding the Fourth Proportional to 76,276.40, 114,414.60 and 23,691.20

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Solution

The fourth proportional to 76,276.40, 114,414.60 and 23,691.20 is: 35,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,276.40 : 114,414.60 = 23,691.20 : x
  2. Step 2: Convert to fraction form
    76,276.40/114,414.60 = 23,691.20/x
  3. Step 3: Cross multiply
    76,276.40x = 114,414.60 × 23,691.20
  4. Step 4: Simplify right side
    76,276.40x = 2,710,619,171.52
  5. Step 5: Solve for x
    x = 2,710,619,171.52/76,276.40
  6. Step 6: Final answer
    x = 35,536.80

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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.