Home / 107,629.79-161,441.06-57,807.19

Finding the Fourth Proportional to 107,629.79, 161,441.06 and 57,807.19

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Solution

The fourth proportional to 107,629.79, 161,441.06 and 57,807.19 is: 86,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,629.79 : 161,441.06 = 57,807.19 : x
  2. Step 2: Convert to fraction form
    107,629.79/161,441.06 = 57,807.19/x
  3. Step 3: Cross multiply
    107,629.79x = 161,441.06 × 57,807.19
  4. Step 4: Simplify right side
    107,629.79x = 9,332,453,941.99
  5. Step 5: Solve for x
    x = 9,332,453,941.99/107,629.79
  6. Step 6: Final answer
    x = 86,708.84

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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.