Home / 124,029.20-171,155.58-67,440.62

Finding the Fourth Proportional to 124,029.20, 171,155.58 and 67,440.62

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Solution

The fourth proportional to 124,029.20, 171,155.58 and 67,440.62 is: 93,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,029.20 : 171,155.58 = 67,440.62 : x
  2. Step 2: Convert to fraction form
    124,029.20/171,155.58 = 67,440.62/x
  3. Step 3: Cross multiply
    124,029.20x = 171,155.58 × 67,440.62
  4. Step 4: Simplify right side
    124,029.20x = 11,542,838,431.66
  5. Step 5: Solve for x
    x = 11,542,838,431.66/124,029.20
  6. Step 6: Final answer
    x = 93,065.49

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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.