Home / 76,967.26-106,213.77-42,976.31

Finding the Fourth Proportional to 76,967.26, 106,213.77 and 42,976.31

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Solution

The fourth proportional to 76,967.26, 106,213.77 and 42,976.31 is: 59,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,967.26 : 106,213.77 = 42,976.31 : x
  2. Step 2: Convert to fraction form
    76,967.26/106,213.77 = 42,976.31/x
  3. Step 3: Cross multiply
    76,967.26x = 106,213.77 × 42,976.31
  4. Step 4: Simplify right side
    76,967.26x = 4,564,675,905.79
  5. Step 5: Solve for x
    x = 4,564,675,905.79/76,967.26
  6. Step 6: Final answer
    x = 59,306.72

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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.