Home / 53,856.89-80,785.37-25,770.34

Finding the Fourth Proportional to 53,856.89, 80,785.37 and 25,770.34

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Solution

The fourth proportional to 53,856.89, 80,785.37 and 25,770.34 is: 38,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,856.89 : 80,785.37 = 25,770.34 : x
  2. Step 2: Convert to fraction form
    53,856.89/80,785.37 = 25,770.34/x
  3. Step 3: Cross multiply
    53,856.89x = 80,785.37 × 25,770.34
  4. Step 4: Simplify right side
    53,856.89x = 2,081,866,451.93
  5. Step 5: Solve for x
    x = 2,081,866,451.93/53,856.89
  6. Step 6: Final answer
    x = 38,655.53

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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.