Home / 124,401.09-171,675.99-67,812.42

Finding the Fourth Proportional to 124,401.09, 171,675.99 and 67,812.42

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Solution

The fourth proportional to 124,401.09, 171,675.99 and 67,812.42 is: 93,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,401.09 : 171,675.99 = 67,812.42 : x
  2. Step 2: Convert to fraction form
    124,401.09/171,675.99 = 67,812.42/x
  3. Step 3: Cross multiply
    124,401.09x = 171,675.99 × 67,812.42
  4. Step 4: Simplify right side
    124,401.09x = 11,641,764,337.80
  5. Step 5: Solve for x
    x = 11,641,764,337.80/124,401.09
  6. Step 6: Final answer
    x = 93,582.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.