Home / 89,605.38-134,324.88-39,658.80

Finding the Fourth Proportional to 89,605.38, 134,324.88 and 39,658.80

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Solution

The fourth proportional to 89,605.38, 134,324.88 and 39,658.80 is: 59,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,605.38 : 134,324.88 = 39,658.80 : x
  2. Step 2: Convert to fraction form
    89,605.38/134,324.88 = 39,658.80/x
  3. Step 3: Cross multiply
    89,605.38x = 134,324.88 × 39,658.80
  4. Step 4: Simplify right side
    89,605.38x = 5,327,163,550.94
  5. Step 5: Solve for x
    x = 5,327,163,550.94/89,605.38
  6. Step 6: Final answer
    x = 59,451.38

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1.5x scale

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.