Home / 103,789.32-155,694.06-27,886.92

Finding the Fourth Proportional to 103,789.32, 155,694.06 and 27,886.92

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Solution

The fourth proportional to 103,789.32, 155,694.06 and 27,886.92 is: 41,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,789.32 : 155,694.06 = 27,886.92 : x
  2. Step 2: Convert to fraction form
    103,789.32/155,694.06 = 27,886.92/x
  3. Step 3: Cross multiply
    103,789.32x = 155,694.06 × 27,886.92
  4. Step 4: Simplify right side
    103,789.32x = 4,341,827,795.70
  5. Step 5: Solve for x
    x = 4,341,827,795.70/103,789.32
  6. Step 6: Final answer
    x = 41,833.09

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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.