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Finding the Fourth Proportional to 68,974.40, 95,177.58 and 38,754.92

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Solution

The fourth proportional to 68,974.40, 95,177.58 and 38,754.92 is: 53,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,974.40 : 95,177.58 = 38,754.92 : x
  2. Step 2: Convert to fraction form
    68,974.40/95,177.58 = 38,754.92/x
  3. Step 3: Cross multiply
    68,974.40x = 95,177.58 × 38,754.92
  4. Step 4: Simplify right side
    68,974.40x = 3,688,599,498.69
  5. Step 5: Solve for x
    x = 3,688,599,498.69/68,974.40
  6. Step 6: Final answer
    x = 53,477.80

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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.