Home / 107,409.11-161,159.22-57,476.25

Finding the Fourth Proportional to 107,409.11, 161,159.22 and 57,476.25

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Solution

The fourth proportional to 107,409.11, 161,159.22 and 57,476.25 is: 86,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,409.11 : 161,159.22 = 57,476.25 : x
  2. Step 2: Convert to fraction form
    107,409.11/161,159.22 = 57,476.25/x
  3. Step 3: Cross multiply
    107,409.11x = 161,159.22 × 57,476.25
  4. Step 4: Simplify right side
    107,409.11x = 9,262,827,618.53
  5. Step 5: Solve for x
    x = 9,262,827,618.53/107,409.11
  6. Step 6: Final answer
    x = 86,238.76

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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.