Home / 57,919.50-79,622.10-49,823.46

Finding the Fourth Proportional to 57,919.50, 79,622.10 and 49,823.46

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Solution

The fourth proportional to 57,919.50, 79,622.10 and 49,823.46 is: 68,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,919.50 : 79,622.10 = 49,823.46 : x
  2. Step 2: Convert to fraction form
    57,919.50/79,622.10 = 49,823.46/x
  3. Step 3: Cross multiply
    57,919.50x = 79,622.10 × 49,823.46
  4. Step 4: Simplify right side
    57,919.50x = 3,967,048,514.47
  5. Step 5: Solve for x
    x = 3,967,048,514.47/57,919.50
  6. Step 6: Final answer
    x = 68,492.45

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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.