Home / 75,784.15-104,582.08-43,520.88

Finding the Fourth Proportional to 75,784.15, 104,582.08 and 43,520.88

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Solution

The fourth proportional to 75,784.15, 104,582.08 and 43,520.88 is: 60,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,784.15 : 104,582.08 = 43,520.88 : x
  2. Step 2: Convert to fraction form
    75,784.15/104,582.08 = 43,520.88/x
  3. Step 3: Cross multiply
    75,784.15x = 104,582.08 × 43,520.88
  4. Step 4: Simplify right side
    75,784.15x = 4,551,504,153.83
  5. Step 5: Solve for x
    x = 4,551,504,153.83/75,784.15
  6. Step 6: Final answer
    x = 60,058.79

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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.