Home / 75,472.32-104,148-41,937.60

Finding the Fourth Proportional to 75,472.32, 104,148 and 41,937.60

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Solution

The fourth proportional to 75,472.32, 104,148 and 41,937.60 is: 57,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,472.32 : 104,148 = 41,937.60 : x
  2. Step 2: Convert to fraction form
    75,472.32/104,148 = 41,937.60/x
  3. Step 3: Cross multiply
    75,472.32x = 104,148 × 41,937.60
  4. Step 4: Simplify right side
    75,472.32x = 4,367,717,164.80
  5. Step 5: Solve for x
    x = 4,367,717,164.80/75,472.32
  6. Step 6: Final answer
    x = 57,871.78

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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.