Home / 107,623.40-161,435.10-32,743.40

Finding the Fourth Proportional to 107,623.40, 161,435.10 and 32,743.40

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Solution

The fourth proportional to 107,623.40, 161,435.10 and 32,743.40 is: 49,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,623.40 : 161,435.10 = 32,743.40 : x
  2. Step 2: Convert to fraction form
    107,623.40/161,435.10 = 32,743.40/x
  3. Step 3: Cross multiply
    107,623.40x = 161,435.10 × 32,743.40
  4. Step 4: Simplify right side
    107,623.40x = 5,285,934,053.34
  5. Step 5: Solve for x
    x = 5,285,934,053.34/107,623.40
  6. Step 6: Final answer
    x = 49,115.10

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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.