Home / 105,515.76-145,625.62-60,183.36

Finding the Fourth Proportional to 105,515.76, 145,625.62 and 60,183.36

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Solution

The fourth proportional to 105,515.76, 145,625.62 and 60,183.36 is: 83,060.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,515.76 : 145,625.62 = 60,183.36 : x
  2. Step 2: Convert to fraction form
    105,515.76/145,625.62 = 60,183.36/x
  3. Step 3: Cross multiply
    105,515.76x = 145,625.62 × 60,183.36
  4. Step 4: Simplify right side
    105,515.76x = 8,764,239,113.68
  5. Step 5: Solve for x
    x = 8,764,239,113.68/105,515.76
  6. Step 6: Final answer
    x = 83,060.95

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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.