Home / 124,836.80-187,167.70-45,940.76

Finding the Fourth Proportional to 124,836.80, 187,167.70 and 45,940.76

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Solution

The fourth proportional to 124,836.80, 187,167.70 and 45,940.76 is: 68,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,836.80 : 187,167.70 = 45,940.76 : x
  2. Step 2: Convert to fraction form
    124,836.80/187,167.70 = 45,940.76/x
  3. Step 3: Cross multiply
    124,836.80x = 187,167.70 × 45,940.76
  4. Step 4: Simplify right side
    124,836.80x = 8,598,626,385.45
  5. Step 5: Solve for x
    x = 8,598,626,385.45/124,836.80
  6. Step 6: Final answer
    x = 68,878.94

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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.