Home / 57,211.56-78,951.51-33,003.63

Finding the Fourth Proportional to 57,211.56, 78,951.51 and 33,003.63

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Solution

The fourth proportional to 57,211.56, 78,951.51 and 33,003.63 is: 45,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,211.56 : 78,951.51 = 33,003.63 : x
  2. Step 2: Convert to fraction form
    57,211.56/78,951.51 = 33,003.63/x
  3. Step 3: Cross multiply
    57,211.56x = 78,951.51 × 33,003.63
  4. Step 4: Simplify right side
    57,211.56x = 2,605,686,423.98
  5. Step 5: Solve for x
    x = 2,605,686,423.98/57,211.56
  6. Step 6: Final answer
    x = 45,544.75

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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.