Home / 84,335.78-126,525.57-25,171.44

Finding the Fourth Proportional to 84,335.78, 126,525.57 and 25,171.44

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Solution

The fourth proportional to 84,335.78, 126,525.57 and 25,171.44 is: 37,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,335.78 : 126,525.57 = 25,171.44 : x
  2. Step 2: Convert to fraction form
    84,335.78/126,525.57 = 25,171.44/x
  3. Step 3: Cross multiply
    84,335.78x = 126,525.57 × 25,171.44
  4. Step 4: Simplify right side
    84,335.78x = 3,184,830,793.72
  5. Step 5: Solve for x
    x = 3,184,830,793.72/84,335.78
  6. Step 6: Final answer
    x = 37,763.70

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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.