Home / 102,674.34-153,999.68-27,790.06

Finding the Fourth Proportional to 102,674.34, 153,999.68 and 27,790.06

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Solution

The fourth proportional to 102,674.34, 153,999.68 and 27,790.06 is: 41,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,674.34 : 153,999.68 = 27,790.06 : x
  2. Step 2: Convert to fraction form
    102,674.34/153,999.68 = 27,790.06/x
  3. Step 3: Cross multiply
    102,674.34x = 153,999.68 × 27,790.06
  4. Step 4: Simplify right side
    102,674.34x = 4,279,660,347.18
  5. Step 5: Solve for x
    x = 4,279,660,347.18/102,674.34
  6. Step 6: Final answer
    x = 41,681.89

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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.