Home / 76,917.80-106,151.89-42,932.90

Finding the Fourth Proportional to 76,917.80, 106,151.89 and 42,932.90

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Solution

The fourth proportional to 76,917.80, 106,151.89 and 42,932.90 is: 59,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,917.80 : 106,151.89 = 42,932.90 : x
  2. Step 2: Convert to fraction form
    76,917.80/106,151.89 = 42,932.90/x
  3. Step 3: Cross multiply
    76,917.80x = 106,151.89 × 42,932.90
  4. Step 4: Simplify right side
    76,917.80x = 4,557,408,636.23
  5. Step 5: Solve for x
    x = 4,557,408,636.23/76,917.80
  6. Step 6: Final answer
    x = 59,250.37

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1.5x scale

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.