Home / 124,745.74-172,149.18-67,385.06

Finding the Fourth Proportional to 124,745.74, 172,149.18 and 67,385.06

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Solution

The fourth proportional to 124,745.74, 172,149.18 and 67,385.06 is: 92,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,745.74 : 172,149.18 = 67,385.06 : x
  2. Step 2: Convert to fraction form
    124,745.74/172,149.18 = 67,385.06/x
  3. Step 3: Cross multiply
    124,745.74x = 172,149.18 × 67,385.06
  4. Step 4: Simplify right side
    124,745.74x = 11,600,282,823.25
  5. Step 5: Solve for x
    x = 11,600,282,823.25/124,745.74
  6. Step 6: Final answer
    x = 92,991.41

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1.5x scale

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.