Home / 85,225.16-127,856.19-32,634.64

Finding the Fourth Proportional to 85,225.16, 127,856.19 and 32,634.64

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Solution

The fourth proportional to 85,225.16, 127,856.19 and 32,634.64 is: 48,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,225.16 : 127,856.19 = 32,634.64 : x
  2. Step 2: Convert to fraction form
    85,225.16/127,856.19 = 32,634.64/x
  3. Step 3: Cross multiply
    85,225.16x = 127,856.19 × 32,634.64
  4. Step 4: Simplify right side
    85,225.16x = 4,172,540,569.25
  5. Step 5: Solve for x
    x = 4,172,540,569.25/85,225.16
  6. Step 6: Final answer
    x = 48,959.03

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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.