Home / 107,538.88-161,341.14-54,985.27

Finding the Fourth Proportional to 107,538.88, 161,341.14 and 54,985.27

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Solution

The fourth proportional to 107,538.88, 161,341.14 and 54,985.27 is: 82,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,538.88 : 161,341.14 = 54,985.27 : x
  2. Step 2: Convert to fraction form
    107,538.88/161,341.14 = 54,985.27/x
  3. Step 3: Cross multiply
    107,538.88x = 161,341.14 × 54,985.27
  4. Step 4: Simplify right side
    107,538.88x = 8,871,386,145.01
  5. Step 5: Solve for x
    x = 8,871,386,145.01/107,538.88
  6. Step 6: Final answer
    x = 82,494.69

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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.