Home / 52,309.32-78,320.16-36,530.10

Finding the Fourth Proportional to 52,309.32, 78,320.16 and 36,530.10

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Solution

The fourth proportional to 52,309.32, 78,320.16 and 36,530.10 is: 54,694.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,309.32 : 78,320.16 = 36,530.10 : x
  2. Step 2: Convert to fraction form
    52,309.32/78,320.16 = 36,530.10/x
  3. Step 3: Cross multiply
    52,309.32x = 78,320.16 × 36,530.10
  4. Step 4: Simplify right side
    52,309.32x = 2,861,043,276.82
  5. Step 5: Solve for x
    x = 2,861,043,276.82/52,309.32
  6. Step 6: Final answer
    x = 54,694.71

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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.