Home / 82,274.16-123,411.24-19,944.66

Finding the Fourth Proportional to 82,274.16, 123,411.24 and 19,944.66

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Solution

The fourth proportional to 82,274.16, 123,411.24 and 19,944.66 is: 29,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,274.16 : 123,411.24 = 19,944.66 : x
  2. Step 2: Convert to fraction form
    82,274.16/123,411.24 = 19,944.66/x
  3. Step 3: Cross multiply
    82,274.16x = 123,411.24 × 19,944.66
  4. Step 4: Simplify right side
    82,274.16x = 2,461,395,221.98
  5. Step 5: Solve for x
    x = 2,461,395,221.98/82,274.16
  6. Step 6: Final answer
    x = 29,916.99

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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.