Home / 51,495.12-77,242.68-33,143.76

Finding the Fourth Proportional to 51,495.12, 77,242.68 and 33,143.76

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Solution

The fourth proportional to 51,495.12, 77,242.68 and 33,143.76 is: 49,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,495.12 : 77,242.68 = 33,143.76 : x
  2. Step 2: Convert to fraction form
    51,495.12/77,242.68 = 33,143.76/x
  3. Step 3: Cross multiply
    51,495.12x = 77,242.68 × 33,143.76
  4. Step 4: Simplify right side
    51,495.12x = 2,560,112,847.68
  5. Step 5: Solve for x
    x = 2,560,112,847.68/51,495.12
  6. Step 6: Final answer
    x = 49,715.64

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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.