Home / 107,415.18-161,122.83-40,839.93

Finding the Fourth Proportional to 107,415.18, 161,122.83 and 40,839.93

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Solution

The fourth proportional to 107,415.18, 161,122.83 and 40,839.93 is: 61,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,415.18 : 161,122.83 = 40,839.93 : x
  2. Step 2: Convert to fraction form
    107,415.18/161,122.83 = 40,839.93/x
  3. Step 3: Cross multiply
    107,415.18x = 161,122.83 × 40,839.93
  4. Step 4: Simplify right side
    107,415.18x = 6,580,245,098.60
  5. Step 5: Solve for x
    x = 6,580,245,098.60/107,415.18
  6. Step 6: Final answer
    x = 61,259.92

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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.