Home / 107,429.04-161,119.20-40,845.48

Finding the Fourth Proportional to 107,429.04, 161,119.20 and 40,845.48

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Solution

The fourth proportional to 107,429.04, 161,119.20 and 40,845.48 is: 61,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,429.04 : 161,119.20 = 40,845.48 : x
  2. Step 2: Convert to fraction form
    107,429.04/161,119.20 = 40,845.48/x
  3. Step 3: Cross multiply
    107,429.04x = 161,119.20 × 40,845.48
  4. Step 4: Simplify right side
    107,429.04x = 6,580,991,061.22
  5. Step 5: Solve for x
    x = 6,580,991,061.22/107,429.04
  6. Step 6: Final answer
    x = 61,258.96

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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.