Home / 89,469.01-123,417.96-56,703.49

Finding the Fourth Proportional to 89,469.01, 123,417.96 and 56,703.49

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Solution

The fourth proportional to 89,469.01, 123,417.96 and 56,703.49 is: 78,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,469.01 : 123,417.96 = 56,703.49 : x
  2. Step 2: Convert to fraction form
    89,469.01/123,417.96 = 56,703.49/x
  3. Step 3: Cross multiply
    89,469.01x = 123,417.96 × 56,703.49
  4. Step 4: Simplify right side
    89,469.01x = 6,998,228,752.14
  5. Step 5: Solve for x
    x = 6,998,228,752.14/89,469.01
  6. Step 6: Final answer
    x = 78,219.59

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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.