Home / 65,016.17-89,721.25-36,336.23

Finding the Fourth Proportional to 65,016.17, 89,721.25 and 36,336.23

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Solution

The fourth proportional to 65,016.17, 89,721.25 and 36,336.23 is: 50,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,016.17 : 89,721.25 = 36,336.23 : x
  2. Step 2: Convert to fraction form
    65,016.17/89,721.25 = 36,336.23/x
  3. Step 3: Cross multiply
    65,016.17x = 89,721.25 × 36,336.23
  4. Step 4: Simplify right side
    65,016.17x = 3,260,131,436.44
  5. Step 5: Solve for x
    x = 3,260,131,436.44/65,016.17
  6. Step 6: Final answer
    x = 50,143.40

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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.