Home / 48,129.76-66,422.68-32,220.64

Finding the Fourth Proportional to 48,129.76, 66,422.68 and 32,220.64

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Solution

The fourth proportional to 48,129.76, 66,422.68 and 32,220.64 is: 44,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.76 : 66,422.68 = 32,220.64 : x
  2. Step 2: Convert to fraction form
    48,129.76/66,422.68 = 32,220.64/x
  3. Step 3: Cross multiply
    48,129.76x = 66,422.68 × 32,220.64
  4. Step 4: Simplify right side
    48,129.76x = 2,140,181,260.12
  5. Step 5: Solve for x
    x = 2,140,181,260.12/48,129.76
  6. Step 6: Final answer
    x = 44,466.90

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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.