Home / 81,897.24-122,696.82-56,884.44

Finding the Fourth Proportional to 81,897.24, 122,696.82 and 56,884.44

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Solution

The fourth proportional to 81,897.24, 122,696.82 and 56,884.44 is: 85,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,897.24 : 122,696.82 = 56,884.44 : x
  2. Step 2: Convert to fraction form
    81,897.24/122,696.82 = 56,884.44/x
  3. Step 3: Cross multiply
    81,897.24x = 122,696.82 × 56,884.44
  4. Step 4: Simplify right side
    81,897.24x = 6,979,539,895.48
  5. Step 5: Solve for x
    x = 6,979,539,895.48/81,897.24
  6. Step 6: Final answer
    x = 85,223.14

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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.