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Finding the Fourth Proportional to 68,088.78, 93,962.52 and 38,280.78

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Solution

The fourth proportional to 68,088.78, 93,962.52 and 38,280.78 is: 52,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,088.78 : 93,962.52 = 38,280.78 : x
  2. Step 2: Convert to fraction form
    68,088.78/93,962.52 = 38,280.78/x
  3. Step 3: Cross multiply
    68,088.78x = 93,962.52 × 38,280.78
  4. Step 4: Simplify right side
    68,088.78x = 3,596,958,556.37
  5. Step 5: Solve for x
    x = 3,596,958,556.37/68,088.78
  6. Step 6: Final answer
    x = 52,827.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.