Home / 68,928.88-103,393.86-37,747.12

Finding the Fourth Proportional to 68,928.88, 103,393.86 and 37,747.12

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Solution

The fourth proportional to 68,928.88, 103,393.86 and 37,747.12 is: 56,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,928.88 : 103,393.86 = 37,747.12 : x
  2. Step 2: Convert to fraction form
    68,928.88/103,393.86 = 37,747.12/x
  3. Step 3: Cross multiply
    68,928.88x = 103,393.86 × 37,747.12
  4. Step 4: Simplify right side
    68,928.88x = 3,902,820,440.68
  5. Step 5: Solve for x
    x = 3,902,820,440.68/68,928.88
  6. Step 6: Final answer
    x = 56,620.98

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1.5x scale

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.