Home / 124,506.96-171,820.14-67,919.55

Finding the Fourth Proportional to 124,506.96, 171,820.14 and 67,919.55

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Solution

The fourth proportional to 124,506.96, 171,820.14 and 67,919.55 is: 93,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,506.96 : 171,820.14 = 67,919.55 : x
  2. Step 2: Convert to fraction form
    124,506.96/171,820.14 = 67,919.55/x
  3. Step 3: Cross multiply
    124,506.96x = 171,820.14 × 67,919.55
  4. Step 4: Simplify right side
    124,506.96x = 11,669,946,589.74
  5. Step 5: Solve for x
    x = 11,669,946,589.74/124,506.96
  6. Step 6: Final answer
    x = 93,729.27

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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.