Home / 51,960.17-71,705.36-28,086.79

Finding the Fourth Proportional to 51,960.17, 71,705.36 and 28,086.79

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Solution

The fourth proportional to 51,960.17, 71,705.36 and 28,086.79 is: 38,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,960.17 : 71,705.36 = 28,086.79 : x
  2. Step 2: Convert to fraction form
    51,960.17/71,705.36 = 28,086.79/x
  3. Step 3: Cross multiply
    51,960.17x = 71,705.36 × 28,086.79
  4. Step 4: Simplify right side
    51,960.17x = 2,013,973,388.19
  5. Step 5: Solve for x
    x = 2,013,973,388.19/51,960.17
  6. Step 6: Final answer
    x = 38,759.95

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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.