Home / 87,065.49-120,150.27-50,768.42

Finding the Fourth Proportional to 87,065.49, 120,150.27 and 50,768.42

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Solution

The fourth proportional to 87,065.49, 120,150.27 and 50,768.42 is: 70,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,065.49 : 120,150.27 = 50,768.42 : x
  2. Step 2: Convert to fraction form
    87,065.49/120,150.27 = 50,768.42/x
  3. Step 3: Cross multiply
    87,065.49x = 120,150.27 × 50,768.42
  4. Step 4: Simplify right side
    87,065.49x = 6,099,838,769.72
  5. Step 5: Solve for x
    x = 6,099,838,769.72/87,065.49
  6. Step 6: Final answer
    x = 70,060.35

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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.