Home / 124,423.48-171,705.18-67,835.80

Finding the Fourth Proportional to 124,423.48, 171,705.18 and 67,835.80

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Solution

The fourth proportional to 124,423.48, 171,705.18 and 67,835.80 is: 93,613.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,423.48 : 171,705.18 = 67,835.80 : x
  2. Step 2: Convert to fraction form
    124,423.48/171,705.18 = 67,835.80/x
  3. Step 3: Cross multiply
    124,423.48x = 171,705.18 × 67,835.80
  4. Step 4: Simplify right side
    124,423.48x = 11,647,758,249.44
  5. Step 5: Solve for x
    x = 11,647,758,249.44/124,423.48
  6. Step 6: Final answer
    x = 93,613.83

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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.