Home / 75,783.15-104,580.70-43,519.88

Finding the Fourth Proportional to 75,783.15, 104,580.70 and 43,519.88

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Solution

The fourth proportional to 75,783.15, 104,580.70 and 43,519.88 is: 60,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,783.15 : 104,580.70 = 43,519.88 : x
  2. Step 2: Convert to fraction form
    75,783.15/104,580.70 = 43,519.88/x
  3. Step 3: Cross multiply
    75,783.15x = 104,580.70 × 43,519.88
  4. Step 4: Simplify right side
    75,783.15x = 4,551,339,514.32
  5. Step 5: Solve for x
    x = 4,551,339,514.32/75,783.15
  6. Step 6: Final answer
    x = 60,057.41

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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.