Home / 110,439.24-165,664.38-31,565.10

Finding the Fourth Proportional to 110,439.24, 165,664.38 and 31,565.10

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Solution

The fourth proportional to 110,439.24, 165,664.38 and 31,565.10 is: 47,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,439.24 : 165,664.38 = 31,565.10 : x
  2. Step 2: Convert to fraction form
    110,439.24/165,664.38 = 31,565.10/x
  3. Step 3: Cross multiply
    110,439.24x = 165,664.38 × 31,565.10
  4. Step 4: Simplify right side
    110,439.24x = 5,229,212,721.14
  5. Step 5: Solve for x
    x = 5,229,212,721.14/110,439.24
  6. Step 6: Final answer
    x = 47,349.23

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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.