Home / 107,729.01-161,493.62-47,725.65

Finding the Fourth Proportional to 107,729.01, 161,493.62 and 47,725.65

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Solution

The fourth proportional to 107,729.01, 161,493.62 and 47,725.65 is: 71,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,729.01 : 161,493.62 = 47,725.65 : x
  2. Step 2: Convert to fraction form
    107,729.01/161,493.62 = 47,725.65/x
  3. Step 3: Cross multiply
    107,729.01x = 161,493.62 × 47,725.65
  4. Step 4: Simplify right side
    107,729.01x = 7,707,387,746.72
  5. Step 5: Solve for x
    x = 7,707,387,746.72/107,729.01
  6. Step 6: Final answer
    x = 71,544.22

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1.5x scale

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.