Home / 107,630.64-161,480.56-32,765.28

Finding the Fourth Proportional to 107,630.64, 161,480.56 and 32,765.28

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Solution

The fourth proportional to 107,630.64, 161,480.56 and 32,765.28 is: 49,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,630.64 : 161,480.56 = 32,765.28 : x
  2. Step 2: Convert to fraction form
    107,630.64/161,480.56 = 32,765.28/x
  3. Step 3: Cross multiply
    107,630.64x = 161,480.56 × 32,765.28
  4. Step 4: Simplify right side
    107,630.64x = 5,290,955,058.77
  5. Step 5: Solve for x
    x = 5,290,955,058.77/107,630.64
  6. Step 6: Final answer
    x = 49,158.45

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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.