Home / 57,972.98-79,403.29-54,568.55

Finding the Fourth Proportional to 57,972.98, 79,403.29 and 54,568.55

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Solution

The fourth proportional to 57,972.98, 79,403.29 and 54,568.55 is: 74,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,972.98 : 79,403.29 = 54,568.55 : x
  2. Step 2: Convert to fraction form
    57,972.98/79,403.29 = 54,568.55/x
  3. Step 3: Cross multiply
    57,972.98x = 79,403.29 × 54,568.55
  4. Step 4: Simplify right side
    57,972.98x = 4,332,922,462.62
  5. Step 5: Solve for x
    x = 4,332,922,462.62/57,972.98
  6. Step 6: Final answer
    x = 74,740.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.