Home / 107,823.80-161,742.90-36,745.40

Finding the Fourth Proportional to 107,823.80, 161,742.90 and 36,745.40

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Solution

The fourth proportional to 107,823.80, 161,742.90 and 36,745.40 is: 55,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,823.80 : 161,742.90 = 36,745.40 : x
  2. Step 2: Convert to fraction form
    107,823.80/161,742.90 = 36,745.40/x
  3. Step 3: Cross multiply
    107,823.80x = 161,742.90 × 36,745.40
  4. Step 4: Simplify right side
    107,823.80x = 5,943,307,557.66
  5. Step 5: Solve for x
    x = 5,943,307,557.66/107,823.80
  6. Step 6: Final answer
    x = 55,120.55

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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.