Home / 69,179.27-103,768.92-53,407.32

Finding the Fourth Proportional to 69,179.27, 103,768.92 and 53,407.32

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Solution

The fourth proportional to 69,179.27, 103,768.92 and 53,407.32 is: 80,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,179.27 : 103,768.92 = 53,407.32 : x
  2. Step 2: Convert to fraction form
    69,179.27/103,768.92 = 53,407.32/x
  3. Step 3: Cross multiply
    69,179.27x = 103,768.92 × 53,407.32
  4. Step 4: Simplify right side
    69,179.27x = 5,542,019,916.49
  5. Step 5: Solve for x
    x = 5,542,019,916.49/69,179.27
  6. Step 6: Final answer
    x = 80,111.00

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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.