Home / 82,429.70-123,664.80-23,264.60

Finding the Fourth Proportional to 82,429.70, 123,664.80 and 23,264.60

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Solution

The fourth proportional to 82,429.70, 123,664.80 and 23,264.60 is: 34,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,429.70 : 123,664.80 = 23,264.60 : x
  2. Step 2: Convert to fraction form
    82,429.70/123,664.80 = 23,264.60/x
  3. Step 3: Cross multiply
    82,429.70x = 123,664.80 × 23,264.60
  4. Step 4: Simplify right side
    82,429.70x = 2,877,012,106.08
  5. Step 5: Solve for x
    x = 2,877,012,106.08/82,429.70
  6. Step 6: Final answer
    x = 34,902.62

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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.