Home / 84,947.92-117,242.52-49,159.60

Finding the Fourth Proportional to 84,947.92, 117,242.52 and 49,159.60

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Solution

The fourth proportional to 84,947.92, 117,242.52 and 49,159.60 is: 67,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,947.92 : 117,242.52 = 49,159.60 : x
  2. Step 2: Convert to fraction form
    84,947.92/117,242.52 = 49,159.60/x
  3. Step 3: Cross multiply
    84,947.92x = 117,242.52 × 49,159.60
  4. Step 4: Simplify right side
    84,947.92x = 5,763,595,386.19
  5. Step 5: Solve for x
    x = 5,763,595,386.19/84,947.92
  6. Step 6: Final answer
    x = 67,848.58

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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.