Home / 107,919.36-161,925.84-57,941.10

Finding the Fourth Proportional to 107,919.36, 161,925.84 and 57,941.10

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Solution

The fourth proportional to 107,919.36, 161,925.84 and 57,941.10 is: 86,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,919.36 : 161,925.84 = 57,941.10 : x
  2. Step 2: Convert to fraction form
    107,919.36/161,925.84 = 57,941.10/x
  3. Step 3: Cross multiply
    107,919.36x = 161,925.84 × 57,941.10
  4. Step 4: Simplify right side
    107,919.36x = 9,382,161,288.02
  5. Step 5: Solve for x
    x = 9,382,161,288.02/107,919.36
  6. Step 6: Final answer
    x = 86,936.78

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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.