Home / 84,108.50-126,019.92-50,758.48

Finding the Fourth Proportional to 84,108.50, 126,019.92 and 50,758.48

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Solution

The fourth proportional to 84,108.50, 126,019.92 and 50,758.48 is: 76,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,108.50 : 126,019.92 = 50,758.48 : x
  2. Step 2: Convert to fraction form
    84,108.50/126,019.92 = 50,758.48/x
  3. Step 3: Cross multiply
    84,108.50x = 126,019.92 × 50,758.48
  4. Step 4: Simplify right side
    84,108.50x = 6,396,579,588.92
  5. Step 5: Solve for x
    x = 6,396,579,588.92/84,108.50
  6. Step 6: Final answer
    x = 76,051.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.