Home / 85,217.40-127,718.10-32,556.60

Finding the Fourth Proportional to 85,217.40, 127,718.10 and 32,556.60

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Solution

The fourth proportional to 85,217.40, 127,718.10 and 32,556.60 is: 48,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,217.40 : 127,718.10 = 32,556.60 : x
  2. Step 2: Convert to fraction form
    85,217.40/127,718.10 = 32,556.60/x
  3. Step 3: Cross multiply
    85,217.40x = 127,718.10 × 32,556.60
  4. Step 4: Simplify right side
    85,217.40x = 4,158,067,094.46
  5. Step 5: Solve for x
    x = 4,158,067,094.46/85,217.40
  6. Step 6: Final answer
    x = 48,793.64

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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.