Home / 82,132.84-113,384.10-51,944.68

Finding the Fourth Proportional to 82,132.84, 113,384.10 and 51,944.68

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Solution

The fourth proportional to 82,132.84, 113,384.10 and 51,944.68 is: 71,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,132.84 : 113,384.10 = 51,944.68 : x
  2. Step 2: Convert to fraction form
    82,132.84/113,384.10 = 51,944.68/x
  3. Step 3: Cross multiply
    82,132.84x = 113,384.10 × 51,944.68
  4. Step 4: Simplify right side
    82,132.84x = 5,889,700,791.59
  5. Step 5: Solve for x
    x = 5,889,700,791.59/82,132.84
  6. Step 6: Final answer
    x = 71,709.45

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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.