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Finding the Fourth Proportional to 68,753.30, 94,883.93 and 38,538.63

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Solution

The fourth proportional to 68,753.30, 94,883.93 and 38,538.63 is: 53,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,753.30 : 94,883.93 = 38,538.63 : x
  2. Step 2: Convert to fraction form
    68,753.30/94,883.93 = 38,538.63/x
  3. Step 3: Cross multiply
    68,753.30x = 94,883.93 × 38,538.63
  4. Step 4: Simplify right side
    68,753.30x = 3,656,696,623.04
  5. Step 5: Solve for x
    x = 3,656,696,623.04/68,753.30
  6. Step 6: Final answer
    x = 53,185.77

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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.