Home / 53,820.72-80,731.12-25,734.14

Finding the Fourth Proportional to 53,820.72, 80,731.12 and 25,734.14

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Solution

The fourth proportional to 53,820.72, 80,731.12 and 25,734.14 is: 38,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,820.72 : 80,731.12 = 25,734.14 : x
  2. Step 2: Convert to fraction form
    53,820.72/80,731.12 = 25,734.14/x
  3. Step 3: Cross multiply
    53,820.72x = 80,731.12 × 25,734.14
  4. Step 4: Simplify right side
    53,820.72x = 2,077,545,944.44
  5. Step 5: Solve for x
    x = 2,077,545,944.44/53,820.72
  6. Step 6: Final answer
    x = 38,601.23

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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.