Home / 90,640.02-135,959.49-35,236.02

Finding the Fourth Proportional to 90,640.02, 135,959.49 and 35,236.02

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Solution

The fourth proportional to 90,640.02, 135,959.49 and 35,236.02 is: 52,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,640.02 : 135,959.49 = 35,236.02 : x
  2. Step 2: Convert to fraction form
    90,640.02/135,959.49 = 35,236.02/x
  3. Step 3: Cross multiply
    90,640.02x = 135,959.49 × 35,236.02
  4. Step 4: Simplify right side
    90,640.02x = 4,790,671,308.83
  5. Step 5: Solve for x
    x = 4,790,671,308.83/90,640.02
  6. Step 6: Final answer
    x = 52,853.82

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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.