Home / 90,398.19-135,622.67-33,471.23

Finding the Fourth Proportional to 90,398.19, 135,622.67 and 33,471.23

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Solution

The fourth proportional to 90,398.19, 135,622.67 and 33,471.23 is: 50,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,398.19 : 135,622.67 = 33,471.23 : x
  2. Step 2: Convert to fraction form
    90,398.19/135,622.67 = 33,471.23/x
  3. Step 3: Cross multiply
    90,398.19x = 135,622.67 × 33,471.23
  4. Step 4: Simplify right side
    90,398.19x = 4,539,457,926.70
  5. Step 5: Solve for x
    x = 4,539,457,926.70/90,398.19
  6. Step 6: Final answer
    x = 50,216.25

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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.