Home / 70,272.86-96,976.51-38,441.75

Finding the Fourth Proportional to 70,272.86, 96,976.51 and 38,441.75

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Solution

The fourth proportional to 70,272.86, 96,976.51 and 38,441.75 is: 53,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,272.86 : 96,976.51 = 38,441.75 : x
  2. Step 2: Convert to fraction form
    70,272.86/96,976.51 = 38,441.75/x
  3. Step 3: Cross multiply
    70,272.86x = 96,976.51 × 38,441.75
  4. Step 4: Simplify right side
    70,272.86x = 3,727,946,172.31
  5. Step 5: Solve for x
    x = 3,727,946,172.31/70,272.86
  6. Step 6: Final answer
    x = 53,049.59

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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.