Home / 85,161.60-117,517.32-49,345.22

Finding the Fourth Proportional to 85,161.60, 117,517.32 and 49,345.22

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Solution

The fourth proportional to 85,161.60, 117,517.32 and 49,345.22 is: 68,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,161.60 : 117,517.32 = 49,345.22 : x
  2. Step 2: Convert to fraction form
    85,161.60/117,517.32 = 49,345.22/x
  3. Step 3: Cross multiply
    85,161.60x = 117,517.32 × 49,345.22
  4. Step 4: Simplify right side
    85,161.60x = 5,798,918,009.21
  5. Step 5: Solve for x
    x = 5,798,918,009.21/85,161.60
  6. Step 6: Final answer
    x = 68,093.11

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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.