Home / 75,908.72-104,847.06-56,873.58

Finding the Fourth Proportional to 75,908.72, 104,847.06 and 56,873.58

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Solution

The fourth proportional to 75,908.72, 104,847.06 and 56,873.58 is: 78,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,908.72 : 104,847.06 = 56,873.58 : x
  2. Step 2: Convert to fraction form
    75,908.72/104,847.06 = 56,873.58/x
  3. Step 3: Cross multiply
    75,908.72x = 104,847.06 × 56,873.58
  4. Step 4: Simplify right side
    75,908.72x = 5,963,027,654.67
  5. Step 5: Solve for x
    x = 5,963,027,654.67/75,908.72
  6. Step 6: Final answer
    x = 78,555.24

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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.