Home / 124,721.68-187,076.44-45,829.84

Finding the Fourth Proportional to 124,721.68, 187,076.44 and 45,829.84

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Solution

The fourth proportional to 124,721.68, 187,076.44 and 45,829.84 is: 68,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,721.68 : 187,076.44 = 45,829.84 : x
  2. Step 2: Convert to fraction form
    124,721.68/187,076.44 = 45,829.84/x
  3. Step 3: Cross multiply
    124,721.68x = 187,076.44 × 45,829.84
  4. Step 4: Simplify right side
    124,721.68x = 8,573,683,312.97
  5. Step 5: Solve for x
    x = 8,573,683,312.97/124,721.68
  6. Step 6: Final answer
    x = 68,742.53

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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.