Home / 107,991.82-161,987.04-36,880.16

Finding the Fourth Proportional to 107,991.82, 161,987.04 and 36,880.16

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Solution

The fourth proportional to 107,991.82, 161,987.04 and 36,880.16 is: 55,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,991.82 : 161,987.04 = 36,880.16 : x
  2. Step 2: Convert to fraction form
    107,991.82/161,987.04 = 36,880.16/x
  3. Step 3: Cross multiply
    107,991.82x = 161,987.04 × 36,880.16
  4. Step 4: Simplify right side
    107,991.82x = 5,974,107,953.13
  5. Step 5: Solve for x
    x = 5,974,107,953.13/107,991.82
  6. Step 6: Final answer
    x = 55,320.00

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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.