Home / 92,829.28-128,104.56-50,387.86

Finding the Fourth Proportional to 92,829.28, 128,104.56 and 50,387.86

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Solution

The fourth proportional to 92,829.28, 128,104.56 and 50,387.86 is: 69,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,829.28 : 128,104.56 = 50,387.86 : x
  2. Step 2: Convert to fraction form
    92,829.28/128,104.56 = 50,387.86/x
  3. Step 3: Cross multiply
    92,829.28x = 128,104.56 × 50,387.86
  4. Step 4: Simplify right side
    92,829.28x = 6,454,914,634.64
  5. Step 5: Solve for x
    x = 6,454,914,634.64/92,829.28
  6. Step 6: Final answer
    x = 69,535.33

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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.