Home / 82,717.36-124,084.32-26,543.44

Finding the Fourth Proportional to 82,717.36, 124,084.32 and 26,543.44

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Solution

The fourth proportional to 82,717.36, 124,084.32 and 26,543.44 is: 39,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,717.36 : 124,084.32 = 26,543.44 : x
  2. Step 2: Convert to fraction form
    82,717.36/124,084.32 = 26,543.44/x
  3. Step 3: Cross multiply
    82,717.36x = 124,084.32 × 26,543.44
  4. Step 4: Simplify right side
    82,717.36x = 3,293,624,702.86
  5. Step 5: Solve for x
    x = 3,293,624,702.86/82,717.36
  6. Step 6: Final answer
    x = 39,817.82

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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.