Home / 53,140.42-73,331.22-29,268.10

Finding the Fourth Proportional to 53,140.42, 73,331.22 and 29,268.10

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Solution

The fourth proportional to 53,140.42, 73,331.22 and 29,268.10 is: 40,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,140.42 : 73,331.22 = 29,268.10 : x
  2. Step 2: Convert to fraction form
    53,140.42/73,331.22 = 29,268.10/x
  3. Step 3: Cross multiply
    53,140.42x = 73,331.22 × 29,268.10
  4. Step 4: Simplify right side
    53,140.42x = 2,146,265,480.08
  5. Step 5: Solve for x
    x = 2,146,265,480.08/53,140.42
  6. Step 6: Final answer
    x = 40,388.57

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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.