Home / 45,535.16-68,310.63-13,944.47

Finding the Fourth Proportional to 45,535.16, 68,310.63 and 13,944.47

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Solution

The fourth proportional to 45,535.16, 68,310.63 and 13,944.47 is: 20,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,535.16 : 68,310.63 = 13,944.47 : x
  2. Step 2: Convert to fraction form
    45,535.16/68,310.63 = 13,944.47/x
  3. Step 3: Cross multiply
    45,535.16x = 68,310.63 × 13,944.47
  4. Step 4: Simplify right side
    45,535.16x = 952,555,637.45
  5. Step 5: Solve for x
    x = 952,555,637.45/45,535.16
  6. Step 6: Final answer
    x = 20,919.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.