Home / 86,063.50-118,778.77-48,337.75

Finding the Fourth Proportional to 86,063.50, 118,778.77 and 48,337.75

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Solution

The fourth proportional to 86,063.50, 118,778.77 and 48,337.75 is: 66,712.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,063.50 : 118,778.77 = 48,337.75 : x
  2. Step 2: Convert to fraction form
    86,063.50/118,778.77 = 48,337.75/x
  3. Step 3: Cross multiply
    86,063.50x = 118,778.77 × 48,337.75
  4. Step 4: Simplify right side
    86,063.50x = 5,741,498,489.57
  5. Step 5: Solve for x
    x = 5,741,498,489.57/86,063.50
  6. Step 6: Final answer
    x = 66,712.35

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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.