Home / 68,988.78-95,207.91-42,126.95

Finding the Fourth Proportional to 68,988.78, 95,207.91 and 42,126.95

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Solution

The fourth proportional to 68,988.78, 95,207.91 and 42,126.95 is: 58,137.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,988.78 : 95,207.91 = 42,126.95 : x
  2. Step 2: Convert to fraction form
    68,988.78/95,207.91 = 42,126.95/x
  3. Step 3: Cross multiply
    68,988.78x = 95,207.91 × 42,126.95
  4. Step 4: Simplify right side
    68,988.78x = 4,010,818,944.22
  5. Step 5: Solve for x
    x = 4,010,818,944.22/68,988.78
  6. Step 6: Final answer
    x = 58,137.26

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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.