Home / 95,078.16-131,209.20-52,636.68

Finding the Fourth Proportional to 95,078.16, 131,209.20 and 52,636.68

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Solution

The fourth proportional to 95,078.16, 131,209.20 and 52,636.68 is: 72,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,078.16 : 131,209.20 = 52,636.68 : x
  2. Step 2: Convert to fraction form
    95,078.16/131,209.20 = 52,636.68/x
  3. Step 3: Cross multiply
    95,078.16x = 131,209.20 × 52,636.68
  4. Step 4: Simplify right side
    95,078.16x = 6,906,416,673.46
  5. Step 5: Solve for x
    x = 6,906,416,673.46/95,078.16
  6. Step 6: Final answer
    x = 72,639.36

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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.