Home / 124,562.75-171,900.24-67,977.77

Finding the Fourth Proportional to 124,562.75, 171,900.24 and 67,977.77

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Solution

The fourth proportional to 124,562.75, 171,900.24 and 67,977.77 is: 93,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,562.75 : 171,900.24 = 67,977.77 : x
  2. Step 2: Convert to fraction form
    124,562.75/171,900.24 = 67,977.77/x
  3. Step 3: Cross multiply
    124,562.75x = 171,900.24 × 67,977.77
  4. Step 4: Simplify right side
    124,562.75x = 11,685,394,977.66
  5. Step 5: Solve for x
    x = 11,685,394,977.66/124,562.75
  6. Step 6: Final answer
    x = 93,811.31

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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.