Home / 107,025.15-160,438.41-39,519.90

Finding the Fourth Proportional to 107,025.15, 160,438.41 and 39,519.90

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Solution

The fourth proportional to 107,025.15, 160,438.41 and 39,519.90 is: 59,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,025.15 : 160,438.41 = 39,519.90 : x
  2. Step 2: Convert to fraction form
    107,025.15/160,438.41 = 39,519.90/x
  3. Step 3: Cross multiply
    107,025.15x = 160,438.41 × 39,519.90
  4. Step 4: Simplify right side
    107,025.15x = 6,340,509,919.36
  5. Step 5: Solve for x
    x = 6,340,509,919.36/107,025.15
  6. Step 6: Final answer
    x = 59,243.18

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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.