Home / 124,827.84-187,076.16-54,630.72

Finding the Fourth Proportional to 124,827.84, 187,076.16 and 54,630.72

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Solution

The fourth proportional to 124,827.84, 187,076.16 and 54,630.72 is: 81,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,827.84 : 187,076.16 = 54,630.72 : x
  2. Step 2: Convert to fraction form
    124,827.84/187,076.16 = 54,630.72/x
  3. Step 3: Cross multiply
    124,827.84x = 187,076.16 × 54,630.72
  4. Step 4: Simplify right side
    124,827.84x = 10,220,105,315.64
  5. Step 5: Solve for x
    x = 10,220,105,315.64/124,827.84
  6. Step 6: Final answer
    x = 81,873.61

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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.