Home / 107,327.76-160,991.64-40,767.72

Finding the Fourth Proportional to 107,327.76, 160,991.64 and 40,767.72

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Solution

The fourth proportional to 107,327.76, 160,991.64 and 40,767.72 is: 61,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,327.76 : 160,991.64 = 40,767.72 : x
  2. Step 2: Convert to fraction form
    107,327.76/160,991.64 = 40,767.72/x
  3. Step 3: Cross multiply
    107,327.76x = 160,991.64 × 40,767.72
  4. Step 4: Simplify right side
    107,327.76x = 6,563,262,101.86
  5. Step 5: Solve for x
    x = 6,563,262,101.86/107,327.76
  6. Step 6: Final answer
    x = 61,151.58

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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.