Home / 107,448.80-161,172.36-28,568.60

Finding the Fourth Proportional to 107,448.80, 161,172.36 and 28,568.60

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Solution

The fourth proportional to 107,448.80, 161,172.36 and 28,568.60 is: 42,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,448.80 : 161,172.36 = 28,568.60 : x
  2. Step 2: Convert to fraction form
    107,448.80/161,172.36 = 28,568.60/x
  3. Step 3: Cross multiply
    107,448.80x = 161,172.36 × 28,568.60
  4. Step 4: Simplify right side
    107,448.80x = 4,604,468,683.90
  5. Step 5: Solve for x
    x = 4,604,468,683.90/107,448.80
  6. Step 6: Final answer
    x = 42,852.68

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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.