Home / 50,165.12-74,805.53-49,715.44

Finding the Fourth Proportional to 50,165.12, 74,805.53 and 49,715.44

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Solution

The fourth proportional to 50,165.12, 74,805.53 and 49,715.44 is: 74,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,165.12 : 74,805.53 = 49,715.44 : x
  2. Step 2: Convert to fraction form
    50,165.12/74,805.53 = 49,715.44/x
  3. Step 3: Cross multiply
    50,165.12x = 74,805.53 × 49,715.44
  4. Step 4: Simplify right side
    50,165.12x = 3,718,989,402.79
  5. Step 5: Solve for x
    x = 3,718,989,402.79/50,165.12
  6. Step 6: Final answer
    x = 74,134.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.