Home / 84,921.78-127,382.88-22,592.28

Finding the Fourth Proportional to 84,921.78, 127,382.88 and 22,592.28

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Solution

The fourth proportional to 84,921.78, 127,382.88 and 22,592.28 is: 33,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,921.78 : 127,382.88 = 22,592.28 : x
  2. Step 2: Convert to fraction form
    84,921.78/127,382.88 = 22,592.28/x
  3. Step 3: Cross multiply
    84,921.78x = 127,382.88 × 22,592.28
  4. Step 4: Simplify right side
    84,921.78x = 2,877,869,692.17
  5. Step 5: Solve for x
    x = 2,877,869,692.17/84,921.78
  6. Step 6: Final answer
    x = 33,888.48

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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.