Home / 85,261.31-117,661.51-47,022.53

Finding the Fourth Proportional to 85,261.31, 117,661.51 and 47,022.53

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Solution

The fourth proportional to 85,261.31, 117,661.51 and 47,022.53 is: 64,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,261.31 : 117,661.51 = 47,022.53 : x
  2. Step 2: Convert to fraction form
    85,261.31/117,661.51 = 47,022.53/x
  3. Step 3: Cross multiply
    85,261.31x = 117,661.51 × 47,022.53
  4. Step 4: Simplify right side
    85,261.31x = 5,532,741,354.29
  5. Step 5: Solve for x
    x = 5,532,741,354.29/85,261.31
  6. Step 6: Final answer
    x = 64,891.58

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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.