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Finding the Fourth Proportional to 68,767, 94,898.52 and 38,959

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Solution

The fourth proportional to 68,767, 94,898.52 and 38,959 is: 53,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,767 : 94,898.52 = 38,959 : x
  2. Step 2: Convert to fraction form
    68,767/94,898.52 = 38,959/x
  3. Step 3: Cross multiply
    68,767x = 94,898.52 × 38,959
  4. Step 4: Simplify right side
    68,767x = 3,697,151,440.68
  5. Step 5: Solve for x
    x = 3,697,151,440.68/68,767
  6. Step 6: Final answer
    x = 53,763.45

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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.