Home / 67,017.26-92,515.31-38,717.48

Finding the Fourth Proportional to 67,017.26, 92,515.31 and 38,717.48

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Solution

The fourth proportional to 67,017.26, 92,515.31 and 38,717.48 is: 53,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,017.26 : 92,515.31 = 38,717.48 : x
  2. Step 2: Convert to fraction form
    67,017.26/92,515.31 = 38,717.48/x
  3. Step 3: Cross multiply
    67,017.26x = 92,515.31 × 38,717.48
  4. Step 4: Simplify right side
    67,017.26x = 3,581,959,664.62
  5. Step 5: Solve for x
    x = 3,581,959,664.62/67,017.26
  6. Step 6: Final answer
    x = 53,448.32

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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.