Home / 89,177.08-133,754.66-51,757.50

Finding the Fourth Proportional to 89,177.08, 133,754.66 and 51,757.50

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Solution

The fourth proportional to 89,177.08, 133,754.66 and 51,757.50 is: 77,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,177.08 : 133,754.66 = 51,757.50 : x
  2. Step 2: Convert to fraction form
    89,177.08/133,754.66 = 51,757.50/x
  3. Step 3: Cross multiply
    89,177.08x = 133,754.66 × 51,757.50
  4. Step 4: Simplify right side
    89,177.08x = 6,922,806,814.95
  5. Step 5: Solve for x
    x = 6,922,806,814.95/89,177.08
  6. Step 6: Final answer
    x = 77,629.89

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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.