Home / 107,751.52-161,614.81-28,872.10

Finding the Fourth Proportional to 107,751.52, 161,614.81 and 28,872.10

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Solution

The fourth proportional to 107,751.52, 161,614.81 and 28,872.10 is: 43,304.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,751.52 : 161,614.81 = 28,872.10 : x
  2. Step 2: Convert to fraction form
    107,751.52/161,614.81 = 28,872.10/x
  3. Step 3: Cross multiply
    107,751.52x = 161,614.81 × 28,872.10
  4. Step 4: Simplify right side
    107,751.52x = 4,666,158,955.80
  5. Step 5: Solve for x
    x = 4,666,158,955.80/107,751.52
  6. Step 6: Final answer
    x = 43,304.81

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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.