Home / 110,431.33-165,643.62-31,545.70

Finding the Fourth Proportional to 110,431.33, 165,643.62 and 31,545.70

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Solution

The fourth proportional to 110,431.33, 165,643.62 and 31,545.70 is: 47,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,431.33 : 165,643.62 = 31,545.70 : x
  2. Step 2: Convert to fraction form
    110,431.33/165,643.62 = 31,545.70/x
  3. Step 3: Cross multiply
    110,431.33x = 165,643.62 × 31,545.70
  4. Step 4: Simplify right side
    110,431.33x = 5,225,343,943.43
  5. Step 5: Solve for x
    x = 5,225,343,943.43/110,431.33
  6. Step 6: Final answer
    x = 47,317.59

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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.