Home / 53,045.68-73,203-29,172.72

Finding the Fourth Proportional to 53,045.68, 73,203 and 29,172.72

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Solution

The fourth proportional to 53,045.68, 73,203 and 29,172.72 is: 40,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.68 : 73,203 = 29,172.72 : x
  2. Step 2: Convert to fraction form
    53,045.68/73,203 = 29,172.72/x
  3. Step 3: Cross multiply
    53,045.68x = 73,203 × 29,172.72
  4. Step 4: Simplify right side
    53,045.68x = 2,135,530,622.16
  5. Step 5: Solve for x
    x = 2,135,530,622.16/53,045.68
  6. Step 6: Final answer
    x = 40,258.33

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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.