Home / 52,116.30-78,279.09-31,097.37

Finding the Fourth Proportional to 52,116.30, 78,279.09 and 31,097.37

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Solution

The fourth proportional to 52,116.30, 78,279.09 and 31,097.37 is: 46,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116.30 : 78,279.09 = 31,097.37 : x
  2. Step 2: Convert to fraction form
    52,116.30/78,279.09 = 31,097.37/x
  3. Step 3: Cross multiply
    52,116.30x = 78,279.09 × 31,097.37
  4. Step 4: Simplify right side
    52,116.30x = 2,434,273,824.99
  5. Step 5: Solve for x
    x = 2,434,273,824.99/52,116.30
  6. Step 6: Final answer
    x = 46,708.49

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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.