Home / 75,864.69-104,742.59-67,893.21

Finding the Fourth Proportional to 75,864.69, 104,742.59 and 67,893.21

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Solution

The fourth proportional to 75,864.69, 104,742.59 and 67,893.21 is: 93,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,864.69 : 104,742.59 = 67,893.21 : x
  2. Step 2: Convert to fraction form
    75,864.69/104,742.59 = 67,893.21/x
  3. Step 3: Cross multiply
    75,864.69x = 104,742.59 × 67,893.21
  4. Step 4: Simplify right side
    75,864.69x = 7,111,310,319.35
  5. Step 5: Solve for x
    x = 7,111,310,319.35/75,864.69
  6. Step 6: Final answer
    x = 93,736.76

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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.