Home / 124,079.50-186,028.51-39,791.68

Finding the Fourth Proportional to 124,079.50, 186,028.51 and 39,791.68

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Solution

The fourth proportional to 124,079.50, 186,028.51 and 39,791.68 is: 59,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,079.50 : 186,028.51 = 39,791.68 : x
  2. Step 2: Convert to fraction form
    124,079.50/186,028.51 = 39,791.68/x
  3. Step 3: Cross multiply
    124,079.50x = 186,028.51 × 39,791.68
  4. Step 4: Simplify right side
    124,079.50x = 7,402,386,940.80
  5. Step 5: Solve for x
    x = 7,402,386,940.80/124,079.50
  6. Step 6: Final answer
    x = 59,658.42

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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.