Home / 102,481.32-153,710.40-27,606.90

Finding the Fourth Proportional to 102,481.32, 153,710.40 and 27,606.90

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Solution

The fourth proportional to 102,481.32, 153,710.40 and 27,606.90 is: 41,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,481.32 : 153,710.40 = 27,606.90 : x
  2. Step 2: Convert to fraction form
    102,481.32/153,710.40 = 27,606.90/x
  3. Step 3: Cross multiply
    102,481.32x = 153,710.40 × 27,606.90
  4. Step 4: Simplify right side
    102,481.32x = 4,243,467,641.76
  5. Step 5: Solve for x
    x = 4,243,467,641.76/102,481.32
  6. Step 6: Final answer
    x = 41,407.23

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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.