Home / 102,849.65-154,285.82-32,712.56

Finding the Fourth Proportional to 102,849.65, 154,285.82 and 32,712.56

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Solution

The fourth proportional to 102,849.65, 154,285.82 and 32,712.56 is: 49,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,849.65 : 154,285.82 = 32,712.56 : x
  2. Step 2: Convert to fraction form
    102,849.65/154,285.82 = 32,712.56/x
  3. Step 3: Cross multiply
    102,849.65x = 154,285.82 × 32,712.56
  4. Step 4: Simplify right side
    102,849.65x = 5,047,083,980.34
  5. Step 5: Solve for x
    x = 5,047,083,980.34/102,849.65
  6. Step 6: Final answer
    x = 49,072.45

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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.