Home / 69,851.28-96,395.76-38,021.16

Finding the Fourth Proportional to 69,851.28, 96,395.76 and 38,021.16

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Solution

The fourth proportional to 69,851.28, 96,395.76 and 38,021.16 is: 52,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,851.28 : 96,395.76 = 38,021.16 : x
  2. Step 2: Convert to fraction form
    69,851.28/96,395.76 = 38,021.16/x
  3. Step 3: Cross multiply
    69,851.28x = 96,395.76 × 38,021.16
  4. Step 4: Simplify right side
    69,851.28x = 3,665,078,614.28
  5. Step 5: Solve for x
    x = 3,665,078,614.28/69,851.28
  6. Step 6: Final answer
    x = 52,469.74

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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.