Home / 107,480.12-161,219.70-40,904.60

Finding the Fourth Proportional to 107,480.12, 161,219.70 and 40,904.60

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Solution

The fourth proportional to 107,480.12, 161,219.70 and 40,904.60 is: 61,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,480.12 : 161,219.70 = 40,904.60 : x
  2. Step 2: Convert to fraction form
    107,480.12/161,219.70 = 40,904.60/x
  3. Step 3: Cross multiply
    107,480.12x = 161,219.70 × 40,904.60
  4. Step 4: Simplify right side
    107,480.12x = 6,594,627,340.62
  5. Step 5: Solve for x
    x = 6,594,627,340.62/107,480.12
  6. Step 6: Final answer
    x = 61,356.72

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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.