Home / 84,736.51-127,108.08-25,572.19

Finding the Fourth Proportional to 84,736.51, 127,108.08 and 25,572.19

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Solution

The fourth proportional to 84,736.51, 127,108.08 and 25,572.19 is: 38,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.51 : 127,108.08 = 25,572.19 : x
  2. Step 2: Convert to fraction form
    84,736.51/127,108.08 = 25,572.19/x
  3. Step 3: Cross multiply
    84,736.51x = 127,108.08 × 25,572.19
  4. Step 4: Simplify right side
    84,736.51x = 3,250,431,972.30
  5. Step 5: Solve for x
    x = 3,250,431,972.30/84,736.51
  6. Step 6: Final answer
    x = 38,359.29

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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.