Home / 84,850.32-117,072.36-47,115.12

Finding the Fourth Proportional to 84,850.32, 117,072.36 and 47,115.12

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Solution

The fourth proportional to 84,850.32, 117,072.36 and 47,115.12 is: 65,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,850.32 : 117,072.36 = 47,115.12 : x
  2. Step 2: Convert to fraction form
    84,850.32/117,072.36 = 47,115.12/x
  3. Step 3: Cross multiply
    84,850.32x = 117,072.36 × 47,115.12
  4. Step 4: Simplify right side
    84,850.32x = 5,515,878,290.08
  5. Step 5: Solve for x
    x = 5,515,878,290.08/84,850.32
  6. Step 6: Final answer
    x = 65,007.16

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Double scale
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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.