Home / 85,009.05-117,305.23-49,201.27

Finding the Fourth Proportional to 85,009.05, 117,305.23 and 49,201.27

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Solution

The fourth proportional to 85,009.05, 117,305.23 and 49,201.27 is: 67,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,009.05 : 117,305.23 = 49,201.27 : x
  2. Step 2: Convert to fraction form
    85,009.05/117,305.23 = 49,201.27/x
  3. Step 3: Cross multiply
    85,009.05x = 117,305.23 × 49,201.27
  4. Step 4: Simplify right side
    85,009.05x = 5,771,566,293.64
  5. Step 5: Solve for x
    x = 5,771,566,293.64/85,009.05
  6. Step 6: Final answer
    x = 67,893.55

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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.