Home / 68,984.68-95,181.32-42,117.38

Finding the Fourth Proportional to 68,984.68, 95,181.32 and 42,117.38

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Solution

The fourth proportional to 68,984.68, 95,181.32 and 42,117.38 is: 58,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,984.68 : 95,181.32 = 42,117.38 : x
  2. Step 2: Convert to fraction form
    68,984.68/95,181.32 = 42,117.38/x
  3. Step 3: Cross multiply
    68,984.68x = 95,181.32 × 42,117.38
  4. Step 4: Simplify right side
    68,984.68x = 4,008,787,823.34
  5. Step 5: Solve for x
    x = 4,008,787,823.34/68,984.68
  6. Step 6: Final answer
    x = 58,111.28

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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.