Home / 104,067.18-143,612.68-56,320.52

Finding the Fourth Proportional to 104,067.18, 143,612.68 and 56,320.52

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Solution

The fourth proportional to 104,067.18, 143,612.68 and 56,320.52 is: 77,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,067.18 : 143,612.68 = 56,320.52 : x
  2. Step 2: Convert to fraction form
    104,067.18/143,612.68 = 56,320.52/x
  3. Step 3: Cross multiply
    104,067.18x = 143,612.68 × 56,320.52
  4. Step 4: Simplify right side
    104,067.18x = 8,088,340,816.19
  5. Step 5: Solve for x
    x = 8,088,340,816.19/104,067.18
  6. Step 6: Final answer
    x = 77,722.30

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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.