Home / 74,521.38-102,787.44-50,606.52

Finding the Fourth Proportional to 74,521.38, 102,787.44 and 50,606.52

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Solution

The fourth proportional to 74,521.38, 102,787.44 and 50,606.52 is: 69,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,521.38 : 102,787.44 = 50,606.52 : x
  2. Step 2: Convert to fraction form
    74,521.38/102,787.44 = 50,606.52/x
  3. Step 3: Cross multiply
    74,521.38x = 102,787.44 × 50,606.52
  4. Step 4: Simplify right side
    74,521.38x = 5,201,714,638.11
  5. Step 5: Solve for x
    x = 5,201,714,638.11/74,521.38
  6. Step 6: Final answer
    x = 69,801.64

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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.