Home / 84,192.36-126,309.33-25,027.78

Finding the Fourth Proportional to 84,192.36, 126,309.33 and 25,027.78

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Solution

The fourth proportional to 84,192.36, 126,309.33 and 25,027.78 is: 37,547.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,192.36 : 126,309.33 = 25,027.78 : x
  2. Step 2: Convert to fraction form
    84,192.36/126,309.33 = 25,027.78/x
  3. Step 3: Cross multiply
    84,192.36x = 126,309.33 × 25,027.78
  4. Step 4: Simplify right side
    84,192.36x = 3,161,241,366.50
  5. Step 5: Solve for x
    x = 3,161,241,366.50/84,192.36
  6. Step 6: Final answer
    x = 37,547.84

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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.