Home / 84,736.88-127,106.04-21,557.06

Finding the Fourth Proportional to 84,736.88, 127,106.04 and 21,557.06

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Solution

The fourth proportional to 84,736.88, 127,106.04 and 21,557.06 is: 32,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.88 : 127,106.04 = 21,557.06 : x
  2. Step 2: Convert to fraction form
    84,736.88/127,106.04 = 21,557.06/x
  3. Step 3: Cross multiply
    84,736.88x = 127,106.04 × 21,557.06
  4. Step 4: Simplify right side
    84,736.88x = 2,740,031,787.33
  5. Step 5: Solve for x
    x = 2,740,031,787.33/84,736.88
  6. Step 6: Final answer
    x = 32,335.77

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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.