Home / 83,847.78-115,705.13-46,122.03

Finding the Fourth Proportional to 83,847.78, 115,705.13 and 46,122.03

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Solution

The fourth proportional to 83,847.78, 115,705.13 and 46,122.03 is: 63,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,847.78 : 115,705.13 = 46,122.03 : x
  2. Step 2: Convert to fraction form
    83,847.78/115,705.13 = 46,122.03/x
  3. Step 3: Cross multiply
    83,847.78x = 115,705.13 × 46,122.03
  4. Step 4: Simplify right side
    83,847.78x = 5,336,555,246.40
  5. Step 5: Solve for x
    x = 5,336,555,246.40/83,847.78
  6. Step 6: Final answer
    x = 63,645.75

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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.