Home / 45,464.40-68,342.40-32,407.20

Finding the Fourth Proportional to 45,464.40, 68,342.40 and 32,407.20

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Solution

The fourth proportional to 45,464.40, 68,342.40 and 32,407.20 is: 48,714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,464.40 : 68,342.40 = 32,407.20 : x
  2. Step 2: Convert to fraction form
    45,464.40/68,342.40 = 32,407.20/x
  3. Step 3: Cross multiply
    45,464.40x = 68,342.40 × 32,407.20
  4. Step 4: Simplify right side
    45,464.40x = 2,214,785,825.28
  5. Step 5: Solve for x
    x = 2,214,785,825.28/45,464.40
  6. Step 6: Final answer
    x = 48,714.73

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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.