Home / 104,579.19-144,320.20-56,832.55

Finding the Fourth Proportional to 104,579.19, 144,320.20 and 56,832.55

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Solution

The fourth proportional to 104,579.19, 144,320.20 and 56,832.55 is: 78,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,579.19 : 144,320.20 = 56,832.55 : x
  2. Step 2: Convert to fraction form
    104,579.19/144,320.20 = 56,832.55/x
  3. Step 3: Cross multiply
    104,579.19x = 144,320.20 × 56,832.55
  4. Step 4: Simplify right side
    104,579.19x = 8,202,084,479.63
  5. Step 5: Solve for x
    x = 8,202,084,479.63/104,579.19
  6. Step 6: Final answer
    x = 78,429.41

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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.