Home / 71,770.43-99,036.75-41,557.80

Finding the Fourth Proportional to 71,770.43, 99,036.75 and 41,557.80

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Solution

The fourth proportional to 71,770.43, 99,036.75 and 41,557.80 is: 57,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,770.43 : 99,036.75 = 41,557.80 : x
  2. Step 2: Convert to fraction form
    71,770.43/99,036.75 = 41,557.80/x
  3. Step 3: Cross multiply
    71,770.43x = 99,036.75 × 41,557.80
  4. Step 4: Simplify right side
    71,770.43x = 4,115,749,449.15
  5. Step 5: Solve for x
    x = 4,115,749,449.15/71,770.43
  6. Step 6: Final answer
    x = 57,346.03

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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.