Home / 82,312.94-123,476.70-23,149.10

Finding the Fourth Proportional to 82,312.94, 123,476.70 and 23,149.10

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Solution

The fourth proportional to 82,312.94, 123,476.70 and 23,149.10 is: 34,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,312.94 : 123,476.70 = 23,149.10 : x
  2. Step 2: Convert to fraction form
    82,312.94/123,476.70 = 23,149.10/x
  3. Step 3: Cross multiply
    82,312.94x = 123,476.70 × 23,149.10
  4. Step 4: Simplify right side
    82,312.94x = 2,858,374,871.47
  5. Step 5: Solve for x
    x = 2,858,374,871.47/82,312.94
  6. Step 6: Final answer
    x = 34,725.70

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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.