Home / 74,896.20-103,372.92-51,079.68

Finding the Fourth Proportional to 74,896.20, 103,372.92 and 51,079.68

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Solution

The fourth proportional to 74,896.20, 103,372.92 and 51,079.68 is: 70,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,896.20 : 103,372.92 = 51,079.68 : x
  2. Step 2: Convert to fraction form
    74,896.20/103,372.92 = 51,079.68/x
  3. Step 3: Cross multiply
    74,896.20x = 103,372.92 × 51,079.68
  4. Step 4: Simplify right side
    74,896.20x = 5,280,255,674.27
  5. Step 5: Solve for x
    x = 5,280,255,674.27/74,896.20
  6. Step 6: Final answer
    x = 70,500.98

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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.