Home / 107,432.48-161,135.88-28,552.76

Finding the Fourth Proportional to 107,432.48, 161,135.88 and 28,552.76

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Solution

The fourth proportional to 107,432.48, 161,135.88 and 28,552.76 is: 42,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,432.48 : 161,135.88 = 28,552.76 : x
  2. Step 2: Convert to fraction form
    107,432.48/161,135.88 = 28,552.76/x
  3. Step 3: Cross multiply
    107,432.48x = 161,135.88 × 28,552.76
  4. Step 4: Simplify right side
    107,432.48x = 4,600,874,109.03
  5. Step 5: Solve for x
    x = 4,600,874,109.03/107,432.48
  6. Step 6: Final answer
    x = 42,825.73

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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.