Home / 124,518.48-171,836.40-67,930.80

Finding the Fourth Proportional to 124,518.48, 171,836.40 and 67,930.80

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Solution

The fourth proportional to 124,518.48, 171,836.40 and 67,930.80 is: 93,744.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518.48 : 171,836.40 = 67,930.80 : x
  2. Step 2: Convert to fraction form
    124,518.48/171,836.40 = 67,930.80/x
  3. Step 3: Cross multiply
    124,518.48x = 171,836.40 × 67,930.80
  4. Step 4: Simplify right side
    124,518.48x = 11,672,984,121.12
  5. Step 5: Solve for x
    x = 11,672,984,121.12/124,518.48
  6. Step 6: Final answer
    x = 93,744.99

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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.