Home / 104,292.20-143,923.92-56,546.28

Finding the Fourth Proportional to 104,292.20, 143,923.92 and 56,546.28

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Solution

The fourth proportional to 104,292.20, 143,923.92 and 56,546.28 is: 78,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,292.20 : 143,923.92 = 56,546.28 : x
  2. Step 2: Convert to fraction form
    104,292.20/143,923.92 = 56,546.28/x
  3. Step 3: Cross multiply
    104,292.20x = 143,923.92 × 56,546.28
  4. Step 4: Simplify right side
    104,292.20x = 8,138,362,279.02
  5. Step 5: Solve for x
    x = 8,138,362,279.02/104,292.20
  6. Step 6: Final answer
    x = 78,034.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.