Home / 107,557.04-161,331.91-40,994.75

Finding the Fourth Proportional to 107,557.04, 161,331.91 and 40,994.75

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Solution

The fourth proportional to 107,557.04, 161,331.91 and 40,994.75 is: 61,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,557.04 : 161,331.91 = 40,994.75 : x
  2. Step 2: Convert to fraction form
    107,557.04/161,331.91 = 40,994.75/x
  3. Step 3: Cross multiply
    107,557.04x = 161,331.91 × 40,994.75
  4. Step 4: Simplify right side
    107,557.04x = 6,613,761,317.47
  5. Step 5: Solve for x
    x = 6,613,761,317.47/107,557.04
  6. Step 6: Final answer
    x = 61,490.73

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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.