Home / 57,621.45-86,400.85-25,994.47

Finding the Fourth Proportional to 57,621.45, 86,400.85 and 25,994.47

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Solution

The fourth proportional to 57,621.45, 86,400.85 and 25,994.47 is: 38,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,621.45 : 86,400.85 = 25,994.47 : x
  2. Step 2: Convert to fraction form
    57,621.45/86,400.85 = 25,994.47/x
  3. Step 3: Cross multiply
    57,621.45x = 86,400.85 × 25,994.47
  4. Step 4: Simplify right side
    57,621.45x = 2,245,944,306.16
  5. Step 5: Solve for x
    x = 2,245,944,306.16/57,621.45
  6. Step 6: Final answer
    x = 38,977.57

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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.