Home / 84,789.97-117,004.31-47,061.25

Finding the Fourth Proportional to 84,789.97, 117,004.31 and 47,061.25

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Solution

The fourth proportional to 84,789.97, 117,004.31 and 47,061.25 is: 64,941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,789.97 : 117,004.31 = 47,061.25 : x
  2. Step 2: Convert to fraction form
    84,789.97/117,004.31 = 47,061.25/x
  3. Step 3: Cross multiply
    84,789.97x = 117,004.31 × 47,061.25
  4. Step 4: Simplify right side
    84,789.97x = 5,506,368,848.68
  5. Step 5: Solve for x
    x = 5,506,368,848.68/84,789.97
  6. Step 6: Final answer
    x = 64,941.28

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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.