Home / 121,986.93-182,839.99-47,073.94

Finding the Fourth Proportional to 121,986.93, 182,839.99 and 47,073.94

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Solution

The fourth proportional to 121,986.93, 182,839.99 and 47,073.94 is: 70,556.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,986.93 : 182,839.99 = 47,073.94 : x
  2. Step 2: Convert to fraction form
    121,986.93/182,839.99 = 47,073.94/x
  3. Step 3: Cross multiply
    121,986.93x = 182,839.99 × 47,073.94
  4. Step 4: Simplify right side
    121,986.93x = 8,606,998,718.86
  5. Step 5: Solve for x
    x = 8,606,998,718.86/121,986.93
  6. Step 6: Final answer
    x = 70,556.73

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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.