Home / 107,787.33-161,642.12-45,462.69

Finding the Fourth Proportional to 107,787.33, 161,642.12 and 45,462.69

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Solution

The fourth proportional to 107,787.33, 161,642.12 and 45,462.69 is: 68,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,787.33 : 161,642.12 = 45,462.69 : x
  2. Step 2: Convert to fraction form
    107,787.33/161,642.12 = 45,462.69/x
  3. Step 3: Cross multiply
    107,787.33x = 161,642.12 × 45,462.69
  4. Step 4: Simplify right side
    107,787.33x = 7,348,685,365.19
  5. Step 5: Solve for x
    x = 7,348,685,365.19/107,787.33
  6. Step 6: Final answer
    x = 68,177.64

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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.