Home / 90,197.15-135,147.96-48,032.46

Finding the Fourth Proportional to 90,197.15, 135,147.96 and 48,032.46

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Solution

The fourth proportional to 90,197.15, 135,147.96 and 48,032.46 is: 71,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,197.15 : 135,147.96 = 48,032.46 : x
  2. Step 2: Convert to fraction form
    90,197.15/135,147.96 = 48,032.46/x
  3. Step 3: Cross multiply
    90,197.15x = 135,147.96 × 48,032.46
  4. Step 4: Simplify right side
    90,197.15x = 6,491,488,982.78
  5. Step 5: Solve for x
    x = 6,491,488,982.78/90,197.15
  6. Step 6: Final answer
    x = 71,970.01

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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.