Home / 40,132.12-60,176.26-31,865.24

Finding the Fourth Proportional to 40,132.12, 60,176.26 and 31,865.24

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Solution

The fourth proportional to 40,132.12, 60,176.26 and 31,865.24 is: 47,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,132.12 : 60,176.26 = 31,865.24 : x
  2. Step 2: Convert to fraction form
    40,132.12/60,176.26 = 31,865.24/x
  3. Step 3: Cross multiply
    40,132.12x = 60,176.26 × 31,865.24
  4. Step 4: Simplify right side
    40,132.12x = 1,917,530,967.20
  5. Step 5: Solve for x
    x = 1,917,530,967.20/40,132.12
  6. Step 6: Final answer
    x = 47,780.46

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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.