Home / 86,508.12-119,372.76-50,203.92

Finding the Fourth Proportional to 86,508.12, 119,372.76 and 50,203.92

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Solution

The fourth proportional to 86,508.12, 119,372.76 and 50,203.92 is: 69,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,508.12 : 119,372.76 = 50,203.92 : x
  2. Step 2: Convert to fraction form
    86,508.12/119,372.76 = 50,203.92/x
  3. Step 3: Cross multiply
    86,508.12x = 119,372.76 × 50,203.92
  4. Step 4: Simplify right side
    86,508.12x = 5,992,980,493.22
  5. Step 5: Solve for x
    x = 5,992,980,493.22/86,508.12
  6. Step 6: Final answer
    x = 69,276.51

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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.