Home / 107,902.32-161,853.48-45,573.36

Finding the Fourth Proportional to 107,902.32, 161,853.48 and 45,573.36

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Solution

The fourth proportional to 107,902.32, 161,853.48 and 45,573.36 is: 68,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,902.32 : 161,853.48 = 45,573.36 : x
  2. Step 2: Convert to fraction form
    107,902.32/161,853.48 = 45,573.36/x
  3. Step 3: Cross multiply
    107,902.32x = 161,853.48 × 45,573.36
  4. Step 4: Simplify right side
    107,902.32x = 7,376,206,911.29
  5. Step 5: Solve for x
    x = 7,376,206,911.29/107,902.32
  6. Step 6: Final answer
    x = 68,360.04

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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.