Home / 107,726.80-161,598.30-28,839.28

Finding the Fourth Proportional to 107,726.80, 161,598.30 and 28,839.28

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Solution

The fourth proportional to 107,726.80, 161,598.30 and 28,839.28 is: 43,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,726.80 : 161,598.30 = 28,839.28 : x
  2. Step 2: Convert to fraction form
    107,726.80/161,598.30 = 28,839.28/x
  3. Step 3: Cross multiply
    107,726.80x = 161,598.30 × 28,839.28
  4. Step 4: Simplify right side
    107,726.80x = 4,660,378,621.22
  5. Step 5: Solve for x
    x = 4,660,378,621.22/107,726.80
  6. Step 6: Final answer
    x = 43,261.09

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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.