Home / 107,412.30-161,164.01-57,479.45

Finding the Fourth Proportional to 107,412.30, 161,164.01 and 57,479.45

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Solution

The fourth proportional to 107,412.30, 161,164.01 and 57,479.45 is: 86,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,412.30 : 161,164.01 = 57,479.45 : x
  2. Step 2: Convert to fraction form
    107,412.30/161,164.01 = 57,479.45/x
  3. Step 3: Cross multiply
    107,412.30x = 161,164.01 × 57,479.45
  4. Step 4: Simplify right side
    107,412.30x = 9,263,617,561.38
  5. Step 5: Solve for x
    x = 9,263,617,561.38/107,412.30
  6. Step 6: Final answer
    x = 86,243.55

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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.