Home / 76,696.20-115,088.22-41,638.80

Finding the Fourth Proportional to 76,696.20, 115,088.22 and 41,638.80

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Solution

The fourth proportional to 76,696.20, 115,088.22 and 41,638.80 is: 62,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,696.20 : 115,088.22 = 41,638.80 : x
  2. Step 2: Convert to fraction form
    76,696.20/115,088.22 = 41,638.80/x
  3. Step 3: Cross multiply
    76,696.20x = 115,088.22 × 41,638.80
  4. Step 4: Simplify right side
    76,696.20x = 4,792,135,374.94
  5. Step 5: Solve for x
    x = 4,792,135,374.94/76,696.20
  6. Step 6: Final answer
    x = 62,482.04

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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.