Home / 89,110.24-123,029.40-79,533.52

Finding the Fourth Proportional to 89,110.24, 123,029.40 and 79,533.52

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Solution

The fourth proportional to 89,110.24, 123,029.40 and 79,533.52 is: 109,807.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,110.24 : 123,029.40 = 79,533.52 : x
  2. Step 2: Convert to fraction form
    89,110.24/123,029.40 = 79,533.52/x
  3. Step 3: Cross multiply
    89,110.24x = 123,029.40 × 79,533.52
  4. Step 4: Simplify right side
    89,110.24x = 9,784,961,245.49
  5. Step 5: Solve for x
    x = 9,784,961,245.49/89,110.24
  6. Step 6: Final answer
    x = 109,807.37

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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.