Home / 86,518.52-119,403.96-52,519.22

Finding the Fourth Proportional to 86,518.52, 119,403.96 and 52,519.22

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Solution

The fourth proportional to 86,518.52, 119,403.96 and 52,519.22 is: 72,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,518.52 : 119,403.96 = 52,519.22 : x
  2. Step 2: Convert to fraction form
    86,518.52/119,403.96 = 52,519.22/x
  3. Step 3: Cross multiply
    86,518.52x = 119,403.96 × 52,519.22
  4. Step 4: Simplify right side
    86,518.52x = 6,271,002,844.11
  5. Step 5: Solve for x
    x = 6,271,002,844.11/86,518.52
  6. Step 6: Final answer
    x = 72,481.62

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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.