Home / 107,739.88-161,534.73-47,735.74

Finding the Fourth Proportional to 107,739.88, 161,534.73 and 47,735.74

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Solution

The fourth proportional to 107,739.88, 161,534.73 and 47,735.74 is: 71,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,739.88 : 161,534.73 = 47,735.74 : x
  2. Step 2: Convert to fraction form
    107,739.88/161,534.73 = 47,735.74/x
  3. Step 3: Cross multiply
    107,739.88x = 161,534.73 × 47,735.74
  4. Step 4: Simplify right side
    107,739.88x = 7,710,979,872.25
  5. Step 5: Solve for x
    x = 7,710,979,872.25/107,739.88
  6. Step 6: Final answer
    x = 71,570.34

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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.