Home / 109,960.20-151,728.94-61,559.61

Finding the Fourth Proportional to 109,960.20, 151,728.94 and 61,559.61

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Solution

The fourth proportional to 109,960.20, 151,728.94 and 61,559.61 is: 84,943.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,960.20 : 151,728.94 = 61,559.61 : x
  2. Step 2: Convert to fraction form
    109,960.20/151,728.94 = 61,559.61/x
  3. Step 3: Cross multiply
    109,960.20x = 151,728.94 × 61,559.61
  4. Step 4: Simplify right side
    109,960.20x = 9,340,374,372.11
  5. Step 5: Solve for x
    x = 9,340,374,372.11/109,960.20
  6. Step 6: Final answer
    x = 84,943.23

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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.