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Finding the Fourth Proportional to 68,241.65, 94,173.68 and 39,566.93

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Solution

The fourth proportional to 68,241.65, 94,173.68 and 39,566.93 is: 54,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,241.65 : 94,173.68 = 39,566.93 : x
  2. Step 2: Convert to fraction form
    68,241.65/94,173.68 = 39,566.93/x
  3. Step 3: Cross multiply
    68,241.65x = 94,173.68 × 39,566.93
  4. Step 4: Simplify right side
    68,241.65x = 3,726,163,032.45
  5. Step 5: Solve for x
    x = 3,726,163,032.45/68,241.65
  6. Step 6: Final answer
    x = 54,602.48

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1.5x scale

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.