Home / 107,562.36-161,332.16-28,684.56

Finding the Fourth Proportional to 107,562.36, 161,332.16 and 28,684.56

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Solution

The fourth proportional to 107,562.36, 161,332.16 and 28,684.56 is: 43,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,562.36 : 161,332.16 = 28,684.56 : x
  2. Step 2: Convert to fraction form
    107,562.36/161,332.16 = 28,684.56/x
  3. Step 3: Cross multiply
    107,562.36x = 161,332.16 × 28,684.56
  4. Step 4: Simplify right side
    107,562.36x = 4,627,742,023.45
  5. Step 5: Solve for x
    x = 4,627,742,023.45/107,562.36
  6. Step 6: Final answer
    x = 43,023.81

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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.