Home / 70,148.06-105,180.12-32,716.64

Finding the Fourth Proportional to 70,148.06, 105,180.12 and 32,716.64

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Solution

The fourth proportional to 70,148.06, 105,180.12 and 32,716.64 is: 49,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,148.06 : 105,180.12 = 32,716.64 : x
  2. Step 2: Convert to fraction form
    70,148.06/105,180.12 = 32,716.64/x
  3. Step 3: Cross multiply
    70,148.06x = 105,180.12 × 32,716.64
  4. Step 4: Simplify right side
    70,148.06x = 3,441,140,121.20
  5. Step 5: Solve for x
    x = 3,441,140,121.20/70,148.06
  6. Step 6: Final answer
    x = 49,055.39

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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.