Home / 69,968.76-96,558.42-38,139.24

Finding the Fourth Proportional to 69,968.76, 96,558.42 and 38,139.24

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Solution

The fourth proportional to 69,968.76, 96,558.42 and 38,139.24 is: 52,632.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,968.76 : 96,558.42 = 38,139.24 : x
  2. Step 2: Convert to fraction form
    69,968.76/96,558.42 = 38,139.24/x
  3. Step 3: Cross multiply
    69,968.76x = 96,558.42 × 38,139.24
  4. Step 4: Simplify right side
    69,968.76x = 3,682,664,754.40
  5. Step 5: Solve for x
    x = 3,682,664,754.40/69,968.76
  6. Step 6: Final answer
    x = 52,632.99

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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.