Home / 104,467.78-144,166.56-56,721.52

Finding the Fourth Proportional to 104,467.78, 144,166.56 and 56,721.52

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Solution

The fourth proportional to 104,467.78, 144,166.56 and 56,721.52 is: 78,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,467.78 : 144,166.56 = 56,721.52 : x
  2. Step 2: Convert to fraction form
    104,467.78/144,166.56 = 56,721.52/x
  3. Step 3: Cross multiply
    104,467.78x = 144,166.56 × 56,721.52
  4. Step 4: Simplify right side
    104,467.78x = 8,177,346,416.37
  5. Step 5: Solve for x
    x = 8,177,346,416.37/104,467.78
  6. Step 6: Final answer
    x = 78,276.25

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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.