Home / 231,869.50-347,702.97-82,060

Finding the Fourth Proportional to 231,869.50, 347,702.97 and 82,060

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Solution

The fourth proportional to 231,869.50, 347,702.97 and 82,060 is: 123,054.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,869.50 : 347,702.97 = 82,060 : x
  2. Step 2: Convert to fraction form
    231,869.50/347,702.97 = 82,060/x
  3. Step 3: Cross multiply
    231,869.50x = 347,702.97 × 82,060
  4. Step 4: Simplify right side
    231,869.50x = 28,532,505,718.20
  5. Step 5: Solve for x
    x = 28,532,505,718.20/231,869.50
  6. Step 6: Final answer
    x = 123,054.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.