Home / 124,828.34-187,076.91-54,631.22

Finding the Fourth Proportional to 124,828.34, 187,076.91 and 54,631.22

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Solution

The fourth proportional to 124,828.34, 187,076.91 and 54,631.22 is: 81,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,828.34 : 187,076.91 = 54,631.22 : x
  2. Step 2: Convert to fraction form
    124,828.34/187,076.91 = 54,631.22/x
  3. Step 3: Cross multiply
    124,828.34x = 187,076.91 × 54,631.22
  4. Step 4: Simplify right side
    124,828.34x = 10,220,239,827.13
  5. Step 5: Solve for x
    x = 10,220,239,827.13/124,828.34
  6. Step 6: Final answer
    x = 81,874.36

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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.