Home / 106,839.32-160,215.24-47,634.50

Finding the Fourth Proportional to 106,839.32, 160,215.24 and 47,634.50

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Solution

The fourth proportional to 106,839.32, 160,215.24 and 47,634.50 is: 71,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,839.32 : 160,215.24 = 47,634.50 : x
  2. Step 2: Convert to fraction form
    106,839.32/160,215.24 = 47,634.50/x
  3. Step 3: Cross multiply
    106,839.32x = 160,215.24 × 47,634.50
  4. Step 4: Simplify right side
    106,839.32x = 7,631,772,849.78
  5. Step 5: Solve for x
    x = 7,631,772,849.78/106,839.32
  6. Step 6: Final answer
    x = 71,432.25

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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.