Home / 52,142.68-71,955.96-29,481.28

Finding the Fourth Proportional to 52,142.68, 71,955.96 and 29,481.28

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Solution

The fourth proportional to 52,142.68, 71,955.96 and 29,481.28 is: 40,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,142.68 : 71,955.96 = 29,481.28 : x
  2. Step 2: Convert to fraction form
    52,142.68/71,955.96 = 29,481.28/x
  3. Step 3: Cross multiply
    52,142.68x = 71,955.96 × 29,481.28
  4. Step 4: Simplify right side
    52,142.68x = 2,121,353,804.43
  5. Step 5: Solve for x
    x = 2,121,353,804.43/52,142.68
  6. Step 6: Final answer
    x = 40,683.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.