Home / 83,964.52-115,867.30-48,128.84

Finding the Fourth Proportional to 83,964.52, 115,867.30 and 48,128.84

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Solution

The fourth proportional to 83,964.52, 115,867.30 and 48,128.84 is: 66,415.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,964.52 : 115,867.30 = 48,128.84 : x
  2. Step 2: Convert to fraction form
    83,964.52/115,867.30 = 48,128.84/x
  3. Step 3: Cross multiply
    83,964.52x = 115,867.30 × 48,128.84
  4. Step 4: Simplify right side
    83,964.52x = 5,576,558,742.93
  5. Step 5: Solve for x
    x = 5,576,558,742.93/83,964.52
  6. Step 6: Final answer
    x = 66,415.66

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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.