Home / 107,729.90-161,588.78-47,741.10

Finding the Fourth Proportional to 107,729.90, 161,588.78 and 47,741.10

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Solution

The fourth proportional to 107,729.90, 161,588.78 and 47,741.10 is: 71,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,729.90 : 161,588.78 = 47,741.10 : x
  2. Step 2: Convert to fraction form
    107,729.90/161,588.78 = 47,741.10/x
  3. Step 3: Cross multiply
    107,729.90x = 161,588.78 × 47,741.10
  4. Step 4: Simplify right side
    107,729.90x = 7,714,426,348.16
  5. Step 5: Solve for x
    x = 7,714,426,348.16/107,729.90
  6. Step 6: Final answer
    x = 71,608.96

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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.