Home / 51,274.57-77,021.16-48,278.35

Finding the Fourth Proportional to 51,274.57, 77,021.16 and 48,278.35

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Solution

The fourth proportional to 51,274.57, 77,021.16 and 48,278.35 is: 72,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,274.57 : 77,021.16 = 48,278.35 : x
  2. Step 2: Convert to fraction form
    51,274.57/77,021.16 = 48,278.35/x
  3. Step 3: Cross multiply
    51,274.57x = 77,021.16 × 48,278.35
  4. Step 4: Simplify right side
    51,274.57x = 3,718,454,519.89
  5. Step 5: Solve for x
    x = 3,718,454,519.89/51,274.57
  6. Step 6: Final answer
    x = 72,520.44

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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.