Home / 102,586.25-153,888.19-36,020.66

Finding the Fourth Proportional to 102,586.25, 153,888.19 and 36,020.66

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Solution

The fourth proportional to 102,586.25, 153,888.19 and 36,020.66 is: 54,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,586.25 : 153,888.19 = 36,020.66 : x
  2. Step 2: Convert to fraction form
    102,586.25/153,888.19 = 36,020.66/x
  3. Step 3: Cross multiply
    102,586.25x = 153,888.19 × 36,020.66
  4. Step 4: Simplify right side
    102,586.25x = 5,543,154,170.01
  5. Step 5: Solve for x
    x = 5,543,154,170.01/102,586.25
  6. Step 6: Final answer
    x = 54,034.09

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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.