Home / 53,688.28-80,170.85-43,847.08

Finding the Fourth Proportional to 53,688.28, 80,170.85 and 43,847.08

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Solution

The fourth proportional to 53,688.28, 80,170.85 and 43,847.08 is: 65,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.28 : 80,170.85 = 43,847.08 : x
  2. Step 2: Convert to fraction form
    53,688.28/80,170.85 = 43,847.08/x
  3. Step 3: Cross multiply
    53,688.28x = 80,170.85 × 43,847.08
  4. Step 4: Simplify right side
    53,688.28x = 3,515,257,673.62
  5. Step 5: Solve for x
    x = 3,515,257,673.62/53,688.28
  6. Step 6: Final answer
    x = 65,475.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.