Home / 84,722.48-127,084.63-25,558.66

Finding the Fourth Proportional to 84,722.48, 127,084.63 and 25,558.66

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Solution

The fourth proportional to 84,722.48, 127,084.63 and 25,558.66 is: 38,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,722.48 : 127,084.63 = 25,558.66 : x
  2. Step 2: Convert to fraction form
    84,722.48/127,084.63 = 25,558.66/x
  3. Step 3: Cross multiply
    84,722.48x = 127,084.63 × 25,558.66
  4. Step 4: Simplify right side
    84,722.48x = 3,248,112,849.40
  5. Step 5: Solve for x
    x = 3,248,112,849.40/84,722.48
  6. Step 6: Final answer
    x = 38,338.27

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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.