Home / 107,985.99-162,028.22-55,432.41

Finding the Fourth Proportional to 107,985.99, 162,028.22 and 55,432.41

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Solution

The fourth proportional to 107,985.99, 162,028.22 and 55,432.41 is: 83,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,985.99 : 162,028.22 = 55,432.41 : x
  2. Step 2: Convert to fraction form
    107,985.99/162,028.22 = 55,432.41/x
  3. Step 3: Cross multiply
    107,985.99x = 162,028.22 × 55,432.41
  4. Step 4: Simplify right side
    107,985.99x = 8,981,614,445.45
  5. Step 5: Solve for x
    x = 8,981,614,445.45/107,985.99
  6. Step 6: Final answer
    x = 83,173.89

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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.