Home / 76,736.26-105,948.24-48,067.76

Finding the Fourth Proportional to 76,736.26, 105,948.24 and 48,067.76

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Solution

The fourth proportional to 76,736.26, 105,948.24 and 48,067.76 is: 66,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,736.26 : 105,948.24 = 48,067.76 : x
  2. Step 2: Convert to fraction form
    76,736.26/105,948.24 = 48,067.76/x
  3. Step 3: Cross multiply
    76,736.26x = 105,948.24 × 48,067.76
  4. Step 4: Simplify right side
    76,736.26x = 5,092,694,572.74
  5. Step 5: Solve for x
    x = 5,092,694,572.74/76,736.26
  6. Step 6: Final answer
    x = 66,366.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.