Home / 84,961.92-117,248-47,236.48

Finding the Fourth Proportional to 84,961.92, 117,248 and 47,236.48

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Solution

The fourth proportional to 84,961.92, 117,248 and 47,236.48 is: 65,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,961.92 : 117,248 = 47,236.48 : x
  2. Step 2: Convert to fraction form
    84,961.92/117,248 = 47,236.48/x
  3. Step 3: Cross multiply
    84,961.92x = 117,248 × 47,236.48
  4. Step 4: Simplify right side
    84,961.92x = 5,538,382,807.04
  5. Step 5: Solve for x
    x = 5,538,382,807.04/84,961.92
  6. Step 6: Final answer
    x = 65,186.65

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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.