Home / 89,280.48-123,208.92-48,991.89

Finding the Fourth Proportional to 89,280.48, 123,208.92 and 48,991.89

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Solution

The fourth proportional to 89,280.48, 123,208.92 and 48,991.89 is: 67,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,280.48 : 123,208.92 = 48,991.89 : x
  2. Step 2: Convert to fraction form
    89,280.48/123,208.92 = 48,991.89/x
  3. Step 3: Cross multiply
    89,280.48x = 123,208.92 × 48,991.89
  4. Step 4: Simplify right side
    89,280.48x = 6,036,237,855.66
  5. Step 5: Solve for x
    x = 6,036,237,855.66/89,280.48
  6. Step 6: Final answer
    x = 67,609.83

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1.5x scale

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.