Home / 79,276.32-118,932.78-26,684.52

Finding the Fourth Proportional to 79,276.32, 118,932.78 and 26,684.52

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Solution

The fourth proportional to 79,276.32, 118,932.78 and 26,684.52 is: 40,032.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,276.32 : 118,932.78 = 26,684.52 : x
  2. Step 2: Convert to fraction form
    79,276.32/118,932.78 = 26,684.52/x
  3. Step 3: Cross multiply
    79,276.32x = 118,932.78 × 26,684.52
  4. Step 4: Simplify right side
    79,276.32x = 3,173,664,146.57
  5. Step 5: Solve for x
    x = 3,173,664,146.57/79,276.32
  6. Step 6: Final answer
    x = 40,032.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.