Home / 107,750.52-161,613.32-28,871.10

Finding the Fourth Proportional to 107,750.52, 161,613.32 and 28,871.10

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Solution

The fourth proportional to 107,750.52, 161,613.32 and 28,871.10 is: 43,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,750.52 : 161,613.32 = 28,871.10 : x
  2. Step 2: Convert to fraction form
    107,750.52/161,613.32 = 28,871.10/x
  3. Step 3: Cross multiply
    107,750.52x = 161,613.32 × 28,871.10
  4. Step 4: Simplify right side
    107,750.52x = 4,665,954,178.70
  5. Step 5: Solve for x
    x = 4,665,954,178.70/107,750.52
  6. Step 6: Final answer
    x = 43,303.31

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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.