Home / 123,589.60-185,382.78-30,095.44

Finding the Fourth Proportional to 123,589.60, 185,382.78 and 30,095.44

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Solution

The fourth proportional to 123,589.60, 185,382.78 and 30,095.44 is: 45,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,589.60 : 185,382.78 = 30,095.44 : x
  2. Step 2: Convert to fraction form
    123,589.60/185,382.78 = 30,095.44/x
  3. Step 3: Cross multiply
    123,589.60x = 185,382.78 × 30,095.44
  4. Step 4: Simplify right side
    123,589.60x = 5,579,176,332.52
  5. Step 5: Solve for x
    x = 5,579,176,332.52/123,589.60
  6. Step 6: Final answer
    x = 45,142.77

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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.