Home / 102,521.88-153,775.26-49,251.96

Finding the Fourth Proportional to 102,521.88, 153,775.26 and 49,251.96

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Solution

The fourth proportional to 102,521.88, 153,775.26 and 49,251.96 is: 73,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,521.88 : 153,775.26 = 49,251.96 : x
  2. Step 2: Convert to fraction form
    102,521.88/153,775.26 = 49,251.96/x
  3. Step 3: Cross multiply
    102,521.88x = 153,775.26 × 49,251.96
  4. Step 4: Simplify right side
    102,521.88x = 7,573,732,954.51
  5. Step 5: Solve for x
    x = 7,573,732,954.51/102,521.88
  6. Step 6: Final answer
    x = 73,874.31

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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.