Home / 107,778.90-161,597.94-51,617.18

Finding the Fourth Proportional to 107,778.90, 161,597.94 and 51,617.18

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Solution

The fourth proportional to 107,778.90, 161,597.94 and 51,617.18 is: 77,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,778.90 : 161,597.94 = 51,617.18 : x
  2. Step 2: Convert to fraction form
    107,778.90/161,597.94 = 51,617.18/x
  3. Step 3: Cross multiply
    107,778.90x = 161,597.94 × 51,617.18
  4. Step 4: Simplify right side
    107,778.90x = 8,341,230,167.04
  5. Step 5: Solve for x
    x = 8,341,230,167.04/107,778.90
  6. Step 6: Final answer
    x = 77,392.05

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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.