Home / 68,318.70-94,280.34-38,105.94

Finding the Fourth Proportional to 68,318.70, 94,280.34 and 38,105.94

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Solution

The fourth proportional to 68,318.70, 94,280.34 and 38,105.94 is: 52,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,318.70 : 94,280.34 = 38,105.94 : x
  2. Step 2: Convert to fraction form
    68,318.70/94,280.34 = 38,105.94/x
  3. Step 3: Cross multiply
    68,318.70x = 94,280.34 × 38,105.94
  4. Step 4: Simplify right side
    68,318.70x = 3,592,640,979.22
  5. Step 5: Solve for x
    x = 3,592,640,979.22/68,318.70
  6. Step 6: Final answer
    x = 52,586.50

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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.