Home / 84,968.32-117,265.76-49,157.92

Finding the Fourth Proportional to 84,968.32, 117,265.76 and 49,157.92

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Solution

The fourth proportional to 84,968.32, 117,265.76 and 49,157.92 is: 67,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,968.32 : 117,265.76 = 49,157.92 : x
  2. Step 2: Convert to fraction form
    84,968.32/117,265.76 = 49,157.92/x
  3. Step 3: Cross multiply
    84,968.32x = 117,265.76 × 49,157.92
  4. Step 4: Simplify right side
    84,968.32x = 5,764,540,848.82
  5. Step 5: Solve for x
    x = 5,764,540,848.82/84,968.32
  6. Step 6: Final answer
    x = 67,843.41

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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.