Home / 84,721.83-127,083.66-25,558.01

Finding the Fourth Proportional to 84,721.83, 127,083.66 and 25,558.01

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Solution

The fourth proportional to 84,721.83, 127,083.66 and 25,558.01 is: 38,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,721.83 : 127,083.66 = 25,558.01 : x
  2. Step 2: Convert to fraction form
    84,721.83/127,083.66 = 25,558.01/x
  3. Step 3: Cross multiply
    84,721.83x = 127,083.66 × 25,558.01
  4. Step 4: Simplify right side
    84,721.83x = 3,248,005,453.12
  5. Step 5: Solve for x
    x = 3,248,005,453.12/84,721.83
  6. Step 6: Final answer
    x = 38,337.29

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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.