Home / 67,988.58-101,867.78-41,638.28

Finding the Fourth Proportional to 67,988.58, 101,867.78 and 41,638.28

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Solution

The fourth proportional to 67,988.58, 101,867.78 and 41,638.28 is: 62,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,988.58 : 101,867.78 = 41,638.28 : x
  2. Step 2: Convert to fraction form
    67,988.58/101,867.78 = 41,638.28/x
  3. Step 3: Cross multiply
    67,988.58x = 101,867.78 × 41,638.28
  4. Step 4: Simplify right side
    67,988.58x = 4,241,599,146.62
  5. Step 5: Solve for x
    x = 4,241,599,146.62/67,988.58
  6. Step 6: Final answer
    x = 62,386.94

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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.