Home / 63,215.52-87,236.20-34,920.60

Finding the Fourth Proportional to 63,215.52, 87,236.20 and 34,920.60

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Solution

The fourth proportional to 63,215.52, 87,236.20 and 34,920.60 is: 48,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,215.52 : 87,236.20 = 34,920.60 : x
  2. Step 2: Convert to fraction form
    63,215.52/87,236.20 = 34,920.60/x
  3. Step 3: Cross multiply
    63,215.52x = 87,236.20 × 34,920.60
  4. Step 4: Simplify right side
    63,215.52x = 3,046,340,445.72
  5. Step 5: Solve for x
    x = 3,046,340,445.72/63,215.52
  6. Step 6: Final answer
    x = 48,189.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.