Home / 107,412.06-161,105.40-28,532.40

Finding the Fourth Proportional to 107,412.06, 161,105.40 and 28,532.40

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Solution

The fourth proportional to 107,412.06, 161,105.40 and 28,532.40 is: 42,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,412.06 : 161,105.40 = 28,532.40 : x
  2. Step 2: Convert to fraction form
    107,412.06/161,105.40 = 28,532.40/x
  3. Step 3: Cross multiply
    107,412.06x = 161,105.40 × 28,532.40
  4. Step 4: Simplify right side
    107,412.06x = 4,596,723,714.96
  5. Step 5: Solve for x
    x = 4,596,723,714.96/107,412.06
  6. Step 6: Final answer
    x = 42,795.23

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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.