Home / 107,335.70-161,014.58-28,449.93

Finding the Fourth Proportional to 107,335.70, 161,014.58 and 28,449.93

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Solution

The fourth proportional to 107,335.70, 161,014.58 and 28,449.93 is: 42,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,335.70 : 161,014.58 = 28,449.93 : x
  2. Step 2: Convert to fraction form
    107,335.70/161,014.58 = 28,449.93/x
  3. Step 3: Cross multiply
    107,335.70x = 161,014.58 × 28,449.93
  4. Step 4: Simplify right side
    107,335.70x = 4,580,853,387.73
  5. Step 5: Solve for x
    x = 4,580,853,387.73/107,335.70
  6. Step 6: Final answer
    x = 42,677.82

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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.