Home / 84,907.36-117,170.92-49,100.70

Finding the Fourth Proportional to 84,907.36, 117,170.92 and 49,100.70

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Solution

The fourth proportional to 84,907.36, 117,170.92 and 49,100.70 is: 67,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,907.36 : 117,170.92 = 49,100.70 : x
  2. Step 2: Convert to fraction form
    84,907.36/117,170.92 = 49,100.70/x
  3. Step 3: Cross multiply
    84,907.36x = 117,170.92 × 49,100.70
  4. Step 4: Simplify right side
    84,907.36x = 5,753,174,191.64
  5. Step 5: Solve for x
    x = 5,753,174,191.64/84,907.36
  6. Step 6: Final answer
    x = 67,758.25

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1.5x scale

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.