Home / 78,863.35-108,833.07-43,054.87

Finding the Fourth Proportional to 78,863.35, 108,833.07 and 43,054.87

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Solution

The fourth proportional to 78,863.35, 108,833.07 and 43,054.87 is: 59,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,863.35 : 108,833.07 = 43,054.87 : x
  2. Step 2: Convert to fraction form
    78,863.35/108,833.07 = 43,054.87/x
  3. Step 3: Cross multiply
    78,863.35x = 108,833.07 × 43,054.87
  4. Step 4: Simplify right side
    78,863.35x = 4,685,793,680.55
  5. Step 5: Solve for x
    x = 4,685,793,680.55/78,863.35
  6. Step 6: Final answer
    x = 59,416.62

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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.