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Finding the Fourth Proportional to 68,134.53, 94,030.17 and 37,919.52

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Solution

The fourth proportional to 68,134.53, 94,030.17 and 37,919.52 is: 52,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,134.53 : 94,030.17 = 37,919.52 : x
  2. Step 2: Convert to fraction form
    68,134.53/94,030.17 = 37,919.52/x
  3. Step 3: Cross multiply
    68,134.53x = 94,030.17 × 37,919.52
  4. Step 4: Simplify right side
    68,134.53x = 3,565,578,911.92
  5. Step 5: Solve for x
    x = 3,565,578,911.92/68,134.53
  6. Step 6: Final answer
    x = 52,331.45

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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.