Home / 56,279.94-84,359.16-36,572.64

Finding the Fourth Proportional to 56,279.94, 84,359.16 and 36,572.64

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Solution

The fourth proportional to 56,279.94, 84,359.16 and 36,572.64 is: 54,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279.94 : 84,359.16 = 36,572.64 : x
  2. Step 2: Convert to fraction form
    56,279.94/84,359.16 = 36,572.64/x
  3. Step 3: Cross multiply
    56,279.94x = 84,359.16 × 36,572.64
  4. Step 4: Simplify right side
    56,279.94x = 3,085,237,189.38
  5. Step 5: Solve for x
    x = 3,085,237,189.38/56,279.94
  6. Step 6: Final answer
    x = 54,819.48

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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.