Home / 56,974.44-78,579.90-53,154.75

Finding the Fourth Proportional to 56,974.44, 78,579.90 and 53,154.75

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Solution

The fourth proportional to 56,974.44, 78,579.90 and 53,154.75 is: 73,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,974.44 : 78,579.90 = 53,154.75 : x
  2. Step 2: Convert to fraction form
    56,974.44/78,579.90 = 53,154.75/x
  3. Step 3: Cross multiply
    56,974.44x = 78,579.90 × 53,154.75
  4. Step 4: Simplify right side
    56,974.44x = 4,176,894,939.53
  5. Step 5: Solve for x
    x = 4,176,894,939.53/56,974.44
  6. Step 6: Final answer
    x = 73,311.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.