Home / 110,421.04-165,637.92-31,529.20

Finding the Fourth Proportional to 110,421.04, 165,637.92 and 31,529.20

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Solution

The fourth proportional to 110,421.04, 165,637.92 and 31,529.20 is: 47,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,421.04 : 165,637.92 = 31,529.20 : x
  2. Step 2: Convert to fraction form
    110,421.04/165,637.92 = 31,529.20/x
  3. Step 3: Cross multiply
    110,421.04x = 165,637.92 × 31,529.20
  4. Step 4: Simplify right side
    110,421.04x = 5,222,431,107.26
  5. Step 5: Solve for x
    x = 5,222,431,107.26/110,421.04
  6. Step 6: Final answer
    x = 47,295.62

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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.