Home / 107,403.36-161,150.60-57,470.50

Finding the Fourth Proportional to 107,403.36, 161,150.60 and 57,470.50

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Solution

The fourth proportional to 107,403.36, 161,150.60 and 57,470.50 is: 86,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,403.36 : 161,150.60 = 57,470.50 : x
  2. Step 2: Convert to fraction form
    107,403.36/161,150.60 = 57,470.50/x
  3. Step 3: Cross multiply
    107,403.36x = 161,150.60 × 57,470.50
  4. Step 4: Simplify right side
    107,403.36x = 9,261,405,557.30
  5. Step 5: Solve for x
    x = 9,261,405,557.30/107,403.36
  6. Step 6: Final answer
    x = 86,230.13

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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.