Home / 90,099.70-135,216.87-33,995.14

Finding the Fourth Proportional to 90,099.70, 135,216.87 and 33,995.14

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Solution

The fourth proportional to 90,099.70, 135,216.87 and 33,995.14 is: 51,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,099.70 : 135,216.87 = 33,995.14 : x
  2. Step 2: Convert to fraction form
    90,099.70/135,216.87 = 33,995.14/x
  3. Step 3: Cross multiply
    90,099.70x = 135,216.87 × 33,995.14
  4. Step 4: Simplify right side
    90,099.70x = 4,596,716,426.01
  5. Step 5: Solve for x
    x = 4,596,716,426.01/90,099.70
  6. Step 6: Final answer
    x = 51,018.11

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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.