Home / 76,976.43-106,225.41-42,983.97

Finding the Fourth Proportional to 76,976.43, 106,225.41 and 42,983.97

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Solution

The fourth proportional to 76,976.43, 106,225.41 and 42,983.97 is: 59,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,976.43 : 106,225.41 = 42,983.97 : x
  2. Step 2: Convert to fraction form
    76,976.43/106,225.41 = 42,983.97/x
  3. Step 3: Cross multiply
    76,976.43x = 106,225.41 × 42,983.97
  4. Step 4: Simplify right side
    76,976.43x = 4,565,990,102.24
  5. Step 5: Solve for x
    x = 4,565,990,102.24/76,976.43
  6. Step 6: Final answer
    x = 59,316.73

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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.