Home / 76,865.10-106,060.23-43,331.10

Finding the Fourth Proportional to 76,865.10, 106,060.23 and 43,331.10

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Solution

The fourth proportional to 76,865.10, 106,060.23 and 43,331.10 is: 59,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,865.10 : 106,060.23 = 43,331.10 : x
  2. Step 2: Convert to fraction form
    76,865.10/106,060.23 = 43,331.10/x
  3. Step 3: Cross multiply
    76,865.10x = 106,060.23 × 43,331.10
  4. Step 4: Simplify right side
    76,865.10x = 4,595,706,432.15
  5. Step 5: Solve for x
    x = 4,595,706,432.15/76,865.10
  6. Step 6: Final answer
    x = 59,789.25

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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.