Home / 107,376.88-161,065.44-40,801.36

Finding the Fourth Proportional to 107,376.88, 161,065.44 and 40,801.36

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Solution

The fourth proportional to 107,376.88, 161,065.44 and 40,801.36 is: 61,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,376.88 : 161,065.44 = 40,801.36 : x
  2. Step 2: Convert to fraction form
    107,376.88/161,065.44 = 40,801.36/x
  3. Step 3: Cross multiply
    107,376.88x = 161,065.44 × 40,801.36
  4. Step 4: Simplify right side
    107,376.88x = 6,571,689,001.00
  5. Step 5: Solve for x
    x = 6,571,689,001.00/107,376.88
  6. Step 6: Final answer
    x = 61,202.09

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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.