Home / 82,029.60-123,047.06-25,870.25

Finding the Fourth Proportional to 82,029.60, 123,047.06 and 25,870.25

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Solution

The fourth proportional to 82,029.60, 123,047.06 and 25,870.25 is: 38,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,029.60 : 123,047.06 = 25,870.25 : x
  2. Step 2: Convert to fraction form
    82,029.60/123,047.06 = 25,870.25/x
  3. Step 3: Cross multiply
    82,029.60x = 123,047.06 × 25,870.25
  4. Step 4: Simplify right side
    82,029.60x = 3,183,258,203.97
  5. Step 5: Solve for x
    x = 3,183,258,203.97/82,029.60
  6. Step 6: Final answer
    x = 38,806.21

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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.