Home / 107,386.47-161,067.20-28,506.83

Finding the Fourth Proportional to 107,386.47, 161,067.20 and 28,506.83

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Solution

The fourth proportional to 107,386.47, 161,067.20 and 28,506.83 is: 42,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,386.47 : 161,067.20 = 28,506.83 : x
  2. Step 2: Convert to fraction form
    107,386.47/161,067.20 = 28,506.83/x
  3. Step 3: Cross multiply
    107,386.47x = 161,067.20 × 28,506.83
  4. Step 4: Simplify right side
    107,386.47x = 4,591,514,341.11
  5. Step 5: Solve for x
    x = 4,591,514,341.11/107,386.47
  6. Step 6: Final answer
    x = 42,756.92

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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.