Home / 124,704.10-187,056.15-82,713.70

Finding the Fourth Proportional to 124,704.10, 187,056.15 and 82,713.70

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Solution

The fourth proportional to 124,704.10, 187,056.15 and 82,713.70 is: 124,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,704.10 : 187,056.15 = 82,713.70 : x
  2. Step 2: Convert to fraction form
    124,704.10/187,056.15 = 82,713.70/x
  3. Step 3: Cross multiply
    124,704.10x = 187,056.15 × 82,713.70
  4. Step 4: Simplify right side
    124,704.10x = 15,472,106,274.26
  5. Step 5: Solve for x
    x = 15,472,106,274.26/124,704.10
  6. Step 6: Final answer
    x = 124,070.55

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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.