Home / 52,309.32-78,320.20-36,530.12

Finding the Fourth Proportional to 52,309.32, 78,320.20 and 36,530.12

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Solution

The fourth proportional to 52,309.32, 78,320.20 and 36,530.12 is: 54,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,309.32 : 78,320.20 = 36,530.12 : x
  2. Step 2: Convert to fraction form
    52,309.32/78,320.20 = 36,530.12/x
  3. Step 3: Cross multiply
    52,309.32x = 78,320.20 × 36,530.12
  4. Step 4: Simplify right side
    52,309.32x = 2,861,046,304.42
  5. Step 5: Solve for x
    x = 2,861,046,304.42/52,309.32
  6. Step 6: Final answer
    x = 54,694.77

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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.