Home / 107,979.62-161,973.23-29,095.74

Finding the Fourth Proportional to 107,979.62, 161,973.23 and 29,095.74

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Solution

The fourth proportional to 107,979.62, 161,973.23 and 29,095.74 is: 43,644.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,979.62 : 161,973.23 = 29,095.74 : x
  2. Step 2: Convert to fraction form
    107,979.62/161,973.23 = 29,095.74/x
  3. Step 3: Cross multiply
    107,979.62x = 161,973.23 × 29,095.74
  4. Step 4: Simplify right side
    107,979.62x = 4,712,730,841.56
  5. Step 5: Solve for x
    x = 4,712,730,841.56/107,979.62
  6. Step 6: Final answer
    x = 43,644.63

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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.