Home / 66,013.92-99,183.12-42,331.68

Finding the Fourth Proportional to 66,013.92, 99,183.12 and 42,331.68

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Solution

The fourth proportional to 66,013.92, 99,183.12 and 42,331.68 is: 63,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,013.92 : 99,183.12 = 42,331.68 : x
  2. Step 2: Convert to fraction form
    66,013.92/99,183.12 = 42,331.68/x
  3. Step 3: Cross multiply
    66,013.92x = 99,183.12 × 42,331.68
  4. Step 4: Simplify right side
    66,013.92x = 4,198,588,097.24
  5. Step 5: Solve for x
    x = 4,198,588,097.24/66,013.92
  6. Step 6: Final answer
    x = 63,601.56

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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.