Home / 104,214.45-143,816.07-56,467.79

Finding the Fourth Proportional to 104,214.45, 143,816.07 and 56,467.79

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Solution

The fourth proportional to 104,214.45, 143,816.07 and 56,467.79 is: 77,925.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,214.45 : 143,816.07 = 56,467.79 : x
  2. Step 2: Convert to fraction form
    104,214.45/143,816.07 = 56,467.79/x
  3. Step 3: Cross multiply
    104,214.45x = 143,816.07 × 56,467.79
  4. Step 4: Simplify right side
    104,214.45x = 8,120,974,920.30
  5. Step 5: Solve for x
    x = 8,120,974,920.30/104,214.45
  6. Step 6: Final answer
    x = 77,925.61

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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.