Home / 102,586.75-153,888.94-36,021.16

Finding the Fourth Proportional to 102,586.75, 153,888.94 and 36,021.16

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Solution

The fourth proportional to 102,586.75, 153,888.94 and 36,021.16 is: 54,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,586.75 : 153,888.94 = 36,021.16 : x
  2. Step 2: Convert to fraction form
    102,586.75/153,888.94 = 36,021.16/x
  3. Step 3: Cross multiply
    102,586.75x = 153,888.94 × 36,021.16
  4. Step 4: Simplify right side
    102,586.75x = 5,543,258,129.97
  5. Step 5: Solve for x
    x = 5,543,258,129.97/102,586.75
  6. Step 6: Final answer
    x = 54,034.84

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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.