Home / 54,268.04-74,890.11-31,622.57

Finding the Fourth Proportional to 54,268.04, 74,890.11 and 31,622.57

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Solution

The fourth proportional to 54,268.04, 74,890.11 and 31,622.57 is: 43,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,268.04 : 74,890.11 = 31,622.57 : x
  2. Step 2: Convert to fraction form
    54,268.04/74,890.11 = 31,622.57/x
  3. Step 3: Cross multiply
    54,268.04x = 74,890.11 × 31,622.57
  4. Step 4: Simplify right side
    54,268.04x = 2,368,217,371.33
  5. Step 5: Solve for x
    x = 2,368,217,371.33/54,268.04
  6. Step 6: Final answer
    x = 43,639.27

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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.