Home / 89,777.45-123,800.82-59,158.53

Finding the Fourth Proportional to 89,777.45, 123,800.82 and 59,158.53

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Solution

The fourth proportional to 89,777.45, 123,800.82 and 59,158.53 is: 81,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,777.45 : 123,800.82 = 59,158.53 : x
  2. Step 2: Convert to fraction form
    89,777.45/123,800.82 = 59,158.53/x
  3. Step 3: Cross multiply
    89,777.45x = 123,800.82 × 59,158.53
  4. Step 4: Simplify right side
    89,777.45x = 7,323,874,523.99
  5. Step 5: Solve for x
    x = 7,323,874,523.99/89,777.45
  6. Step 6: Final answer
    x = 81,578.11

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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.