Home / 85,164.60-117,521.46-49,348.22

Finding the Fourth Proportional to 85,164.60, 117,521.46 and 49,348.22

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Solution

The fourth proportional to 85,164.60, 117,521.46 and 49,348.22 is: 68,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,164.60 : 117,521.46 = 49,348.22 : x
  2. Step 2: Convert to fraction form
    85,164.60/117,521.46 = 49,348.22/x
  3. Step 3: Cross multiply
    85,164.60x = 117,521.46 × 49,348.22
  4. Step 4: Simplify right side
    85,164.60x = 5,799,474,862.80
  5. Step 5: Solve for x
    x = 5,799,474,862.80/85,164.60
  6. Step 6: Final answer
    x = 68,097.25

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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.