Home / 71,577.64-98,786.25-43,283.53

Finding the Fourth Proportional to 71,577.64, 98,786.25 and 43,283.53

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Solution

The fourth proportional to 71,577.64, 98,786.25 and 43,283.53 is: 59,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,577.64 : 98,786.25 = 43,283.53 : x
  2. Step 2: Convert to fraction form
    71,577.64/98,786.25 = 43,283.53/x
  3. Step 3: Cross multiply
    71,577.64x = 98,786.25 × 43,283.53
  4. Step 4: Simplify right side
    71,577.64x = 4,275,817,615.46
  5. Step 5: Solve for x
    x = 4,275,817,615.46/71,577.64
  6. Step 6: Final answer
    x = 59,736.78

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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.