Home / 51,077.70-76,616.55-48,161.70

Finding the Fourth Proportional to 51,077.70, 76,616.55 and 48,161.70

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Solution

The fourth proportional to 51,077.70, 76,616.55 and 48,161.70 is: 72,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,077.70 : 76,616.55 = 48,161.70 : x
  2. Step 2: Convert to fraction form
    51,077.70/76,616.55 = 48,161.70/x
  3. Step 3: Cross multiply
    51,077.70x = 76,616.55 × 48,161.70
  4. Step 4: Simplify right side
    51,077.70x = 3,689,983,296.14
  5. Step 5: Solve for x
    x = 3,689,983,296.14/51,077.70
  6. Step 6: Final answer
    x = 72,242.55

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1.5x scale

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.