Home / 77,453.12-106,885.36-43,919.12

Finding the Fourth Proportional to 77,453.12, 106,885.36 and 43,919.12

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Solution

The fourth proportional to 77,453.12, 106,885.36 and 43,919.12 is: 60,608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,453.12 : 106,885.36 = 43,919.12 : x
  2. Step 2: Convert to fraction form
    77,453.12/106,885.36 = 43,919.12/x
  3. Step 3: Cross multiply
    77,453.12x = 106,885.36 × 43,919.12
  4. Step 4: Simplify right side
    77,453.12x = 4,694,310,952.08
  5. Step 5: Solve for x
    x = 4,694,310,952.08/77,453.12
  6. Step 6: Final answer
    x = 60,608.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.