Home / 90,006.66-135,022.14-33,072.98

Finding the Fourth Proportional to 90,006.66, 135,022.14 and 33,072.98

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Solution

The fourth proportional to 90,006.66, 135,022.14 and 33,072.98 is: 49,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,006.66 : 135,022.14 = 33,072.98 : x
  2. Step 2: Convert to fraction form
    90,006.66/135,022.14 = 33,072.98/x
  3. Step 3: Cross multiply
    90,006.66x = 135,022.14 × 33,072.98
  4. Step 4: Simplify right side
    90,006.66x = 4,465,583,860.67
  5. Step 5: Solve for x
    x = 4,465,583,860.67/90,006.66
  6. Step 6: Final answer
    x = 49,613.93

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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.