Home / 69,960.02-96,542.01-38,128.23

Finding the Fourth Proportional to 69,960.02, 96,542.01 and 38,128.23

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Solution

The fourth proportional to 69,960.02, 96,542.01 and 38,128.23 is: 52,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,960.02 : 96,542.01 = 38,128.23 : x
  2. Step 2: Convert to fraction form
    69,960.02/96,542.01 = 38,128.23/x
  3. Step 3: Cross multiply
    69,960.02x = 96,542.01 × 38,128.23
  4. Step 4: Simplify right side
    69,960.02x = 3,680,975,961.94
  5. Step 5: Solve for x
    x = 3,680,975,961.94/69,960.02
  6. Step 6: Final answer
    x = 52,615.43

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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.