Home / 107,965.08-161,929.22-29,061.72

Finding the Fourth Proportional to 107,965.08, 161,929.22 and 29,061.72

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Solution

The fourth proportional to 107,965.08, 161,929.22 and 29,061.72 is: 43,587.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,965.08 : 161,929.22 = 29,061.72 : x
  2. Step 2: Convert to fraction form
    107,965.08/161,929.22 = 29,061.72/x
  3. Step 3: Cross multiply
    107,965.08x = 161,929.22 × 29,061.72
  4. Step 4: Simplify right side
    107,965.08x = 4,705,941,651.46
  5. Step 5: Solve for x
    x = 4,705,941,651.46/107,965.08
  6. Step 6: Final answer
    x = 43,587.63

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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.