Home / 83,678.37-125,521.59-27,517.23

Finding the Fourth Proportional to 83,678.37, 125,521.59 and 27,517.23

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Solution

The fourth proportional to 83,678.37, 125,521.59 and 27,517.23 is: 41,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,678.37 : 125,521.59 = 27,517.23 : x
  2. Step 2: Convert to fraction form
    83,678.37/125,521.59 = 27,517.23/x
  3. Step 3: Cross multiply
    83,678.37x = 125,521.59 × 27,517.23
  4. Step 4: Simplify right side
    83,678.37x = 3,454,006,462.00
  5. Step 5: Solve for x
    x = 3,454,006,462.00/83,678.37
  6. Step 6: Final answer
    x = 41,277.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.