Home / 77,091.60-106,404.18-50,187.24

Finding the Fourth Proportional to 77,091.60, 106,404.18 and 50,187.24

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Solution

The fourth proportional to 77,091.60, 106,404.18 and 50,187.24 is: 69,269.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,091.60 : 106,404.18 = 50,187.24 : x
  2. Step 2: Convert to fraction form
    77,091.60/106,404.18 = 50,187.24/x
  3. Step 3: Cross multiply
    77,091.60x = 106,404.18 × 50,187.24
  4. Step 4: Simplify right side
    77,091.60x = 5,340,132,118.66
  5. Step 5: Solve for x
    x = 5,340,132,118.66/77,091.60
  6. Step 6: Final answer
    x = 69,269.96

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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.