Home / 84,939.84-127,410.06-25,776

Finding the Fourth Proportional to 84,939.84, 127,410.06 and 25,776

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Solution

The fourth proportional to 84,939.84, 127,410.06 and 25,776 is: 38,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,939.84 : 127,410.06 = 25,776 : x
  2. Step 2: Convert to fraction form
    84,939.84/127,410.06 = 25,776/x
  3. Step 3: Cross multiply
    84,939.84x = 127,410.06 × 25,776
  4. Step 4: Simplify right side
    84,939.84x = 3,284,121,706.56
  5. Step 5: Solve for x
    x = 3,284,121,706.56/84,939.84
  6. Step 6: Final answer
    x = 38,664.09

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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.