Home / 52,339.24-78,501.12-17,279.20

Finding the Fourth Proportional to 52,339.24, 78,501.12 and 17,279.20

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Solution

The fourth proportional to 52,339.24, 78,501.12 and 17,279.20 is: 25,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,339.24 : 78,501.12 = 17,279.20 : x
  2. Step 2: Convert to fraction form
    52,339.24/78,501.12 = 17,279.20/x
  3. Step 3: Cross multiply
    52,339.24x = 78,501.12 × 17,279.20
  4. Step 4: Simplify right side
    52,339.24x = 1,356,436,552.70
  5. Step 5: Solve for x
    x = 1,356,436,552.70/52,339.24
  6. Step 6: Final answer
    x = 25,916.24

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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.