Home / 68,050.75-93,910.05-39,756.64

Finding the Fourth Proportional to 68,050.75, 93,910.05 and 39,756.64

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Solution

The fourth proportional to 68,050.75, 93,910.05 and 39,756.64 is: 54,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,050.75 : 93,910.05 = 39,756.64 : x
  2. Step 2: Convert to fraction form
    68,050.75/93,910.05 = 39,756.64/x
  3. Step 3: Cross multiply
    68,050.75x = 93,910.05 × 39,756.64
  4. Step 4: Simplify right side
    68,050.75x = 3,733,548,050.23
  5. Step 5: Solve for x
    x = 3,733,548,050.23/68,050.75
  6. Step 6: Final answer
    x = 54,864.17

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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.