Home / 102,842.40-154,274.94-32,705.31

Finding the Fourth Proportional to 102,842.40, 154,274.94 and 32,705.31

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Solution

The fourth proportional to 102,842.40, 154,274.94 and 32,705.31 is: 49,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,842.40 : 154,274.94 = 32,705.31 : x
  2. Step 2: Convert to fraction form
    102,842.40/154,274.94 = 32,705.31/x
  3. Step 3: Cross multiply
    102,842.40x = 154,274.94 × 32,705.31
  4. Step 4: Simplify right side
    102,842.40x = 5,045,609,737.93
  5. Step 5: Solve for x
    x = 5,045,609,737.93/102,842.40
  6. Step 6: Final answer
    x = 49,061.57

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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.