Home / 105,515.51-145,625.27-60,183.08

Finding the Fourth Proportional to 105,515.51, 145,625.27 and 60,183.08

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Solution

The fourth proportional to 105,515.51, 145,625.27 and 60,183.08 is: 83,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,515.51 : 145,625.27 = 60,183.08 : x
  2. Step 2: Convert to fraction form
    105,515.51/145,625.27 = 60,183.08/x
  3. Step 3: Cross multiply
    105,515.51x = 145,625.27 × 60,183.08
  4. Step 4: Simplify right side
    105,515.51x = 8,764,176,245.39
  5. Step 5: Solve for x
    x = 8,764,176,245.39/105,515.51
  6. Step 6: Final answer
    x = 83,060.55

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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.