Home / 89,818.00-123,943.14-51,550.61

Finding the Fourth Proportional to 89,818.00, 123,943.14 and 51,550.61

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Solution

The fourth proportional to 89,818.00, 123,943.14 and 51,550.61 is: 71,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,818.00 : 123,943.14 = 51,550.61 : x
  2. Step 2: Convert to fraction form
    89,818.00/123,943.14 = 51,550.61/x
  3. Step 3: Cross multiply
    89,818.00x = 123,943.14 × 51,550.61
  4. Step 4: Simplify right side
    89,818.00x = 6,389,343,852.60
  5. Step 5: Solve for x
    x = 6,389,343,852.60/89,818.00
  6. Step 6: Final answer
    x = 71,136.57

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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.