Home / 99,286.54-136,960.38-62,921.20

Finding the Fourth Proportional to 99,286.54, 136,960.38 and 62,921.20

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Solution

The fourth proportional to 99,286.54, 136,960.38 and 62,921.20 is: 86,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,286.54 : 136,960.38 = 62,921.20 : x
  2. Step 2: Convert to fraction form
    99,286.54/136,960.38 = 62,921.20/x
  3. Step 3: Cross multiply
    99,286.54x = 136,960.38 × 62,921.20
  4. Step 4: Simplify right side
    99,286.54x = 8,617,711,462.06
  5. Step 5: Solve for x
    x = 8,617,711,462.06/99,286.54
  6. Step 6: Final answer
    x = 86,796.37

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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.