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Finding the Fourth Proportional to 68,971, 95,180.08 and 39,163

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Solution

The fourth proportional to 68,971, 95,180.08 and 39,163 is: 54,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,971 : 95,180.08 = 39,163 : x
  2. Step 2: Convert to fraction form
    68,971/95,180.08 = 39,163/x
  3. Step 3: Cross multiply
    68,971x = 95,180.08 × 39,163
  4. Step 4: Simplify right side
    68,971x = 3,727,537,473.04
  5. Step 5: Solve for x
    x = 3,727,537,473.04/68,971
  6. Step 6: Final answer
    x = 54,045.00

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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.