Home / 87,203.69-120,341.06-50,930.24

Finding the Fourth Proportional to 87,203.69, 120,341.06 and 50,930.24

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Solution

The fourth proportional to 87,203.69, 120,341.06 and 50,930.24 is: 70,283.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,203.69 : 120,341.06 = 50,930.24 : x
  2. Step 2: Convert to fraction form
    87,203.69/120,341.06 = 50,930.24/x
  3. Step 3: Cross multiply
    87,203.69x = 120,341.06 × 50,930.24
  4. Step 4: Simplify right side
    87,203.69x = 6,128,998,211.30
  5. Step 5: Solve for x
    x = 6,128,998,211.30/87,203.69
  6. Step 6: Final answer
    x = 70,283.71

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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.