Home / 124,677.25-186,961.76-68,500.51

Finding the Fourth Proportional to 124,677.25, 186,961.76 and 68,500.51

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Solution

The fourth proportional to 124,677.25, 186,961.76 and 68,500.51 is: 102,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,677.25 : 186,961.76 = 68,500.51 : x
  2. Step 2: Convert to fraction form
    124,677.25/186,961.76 = 68,500.51/x
  3. Step 3: Cross multiply
    124,677.25x = 186,961.76 × 68,500.51
  4. Step 4: Simplify right side
    124,677.25x = 12,806,974,975.69
  5. Step 5: Solve for x
    x = 12,806,974,975.69/124,677.25
  6. Step 6: Final answer
    x = 102,721.03

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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.