Home / 109,563.57-151,204.86-61,799.49

Finding the Fourth Proportional to 109,563.57, 151,204.86 and 61,799.49

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Solution

The fourth proportional to 109,563.57, 151,204.86 and 61,799.49 is: 85,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,563.57 : 151,204.86 = 61,799.49 : x
  2. Step 2: Convert to fraction form
    109,563.57/151,204.86 = 61,799.49/x
  3. Step 3: Cross multiply
    109,563.57x = 151,204.86 × 61,799.49
  4. Step 4: Simplify right side
    109,563.57x = 9,344,383,233.52
  5. Step 5: Solve for x
    x = 9,344,383,233.52/109,563.57
  6. Step 6: Final answer
    x = 85,287.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.