Home / 107,957.20-161,897.40-48,821.20

Finding the Fourth Proportional to 107,957.20, 161,897.40 and 48,821.20

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Solution

The fourth proportional to 107,957.20, 161,897.40 and 48,821.20 is: 73,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,957.20 : 161,897.40 = 48,821.20 : x
  2. Step 2: Convert to fraction form
    107,957.20/161,897.40 = 48,821.20/x
  3. Step 3: Cross multiply
    107,957.20x = 161,897.40 × 48,821.20
  4. Step 4: Simplify right side
    107,957.20x = 7,904,025,344.88
  5. Step 5: Solve for x
    x = 7,904,025,344.88/107,957.20
  6. Step 6: Final answer
    x = 73,214.43

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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.