Home / 107,350.15-161,025.22-28,470.53

Finding the Fourth Proportional to 107,350.15, 161,025.22 and 28,470.53

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Solution

The fourth proportional to 107,350.15, 161,025.22 and 28,470.53 is: 42,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,350.15 : 161,025.22 = 28,470.53 : x
  2. Step 2: Convert to fraction form
    107,350.15/161,025.22 = 28,470.53/x
  3. Step 3: Cross multiply
    107,350.15x = 161,025.22 × 28,470.53
  4. Step 4: Simplify right side
    107,350.15x = 4,584,472,551.64
  5. Step 5: Solve for x
    x = 4,584,472,551.64/107,350.15
  6. Step 6: Final answer
    x = 42,705.79

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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.