Home / 90,385.25-135,482.27-33,422.55

Finding the Fourth Proportional to 90,385.25, 135,482.27 and 33,422.55

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Solution

The fourth proportional to 90,385.25, 135,482.27 and 33,422.55 is: 50,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,385.25 : 135,482.27 = 33,422.55 : x
  2. Step 2: Convert to fraction form
    90,385.25/135,482.27 = 33,422.55/x
  3. Step 3: Cross multiply
    90,385.25x = 135,482.27 × 33,422.55
  4. Step 4: Simplify right side
    90,385.25x = 4,528,162,943.19
  5. Step 5: Solve for x
    x = 4,528,162,943.19/90,385.25
  6. Step 6: Final answer
    x = 50,098.47

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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.