Home / 73,123.89-109,702.23-23,205.61

Finding the Fourth Proportional to 73,123.89, 109,702.23 and 23,205.61

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Solution

The fourth proportional to 73,123.89, 109,702.23 and 23,205.61 is: 34,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,123.89 : 109,702.23 = 23,205.61 : x
  2. Step 2: Convert to fraction form
    73,123.89/109,702.23 = 23,205.61/x
  3. Step 3: Cross multiply
    73,123.89x = 109,702.23 × 23,205.61
  4. Step 4: Simplify right side
    73,123.89x = 2,545,707,165.51
  5. Step 5: Solve for x
    x = 2,545,707,165.51/73,123.89
  6. Step 6: Final answer
    x = 34,813.62

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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.