Home / 84,734.27-127,137.30-42,592.16

Finding the Fourth Proportional to 84,734.27, 127,137.30 and 42,592.16

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Solution

The fourth proportional to 84,734.27, 127,137.30 and 42,592.16 is: 63,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,734.27 : 127,137.30 = 42,592.16 : x
  2. Step 2: Convert to fraction form
    84,734.27/127,137.30 = 42,592.16/x
  3. Step 3: Cross multiply
    84,734.27x = 127,137.30 × 42,592.16
  4. Step 4: Simplify right side
    84,734.27x = 5,415,052,223.57
  5. Step 5: Solve for x
    x = 5,415,052,223.57/84,734.27
  6. Step 6: Final answer
    x = 63,906.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.