Home / 67,143.26-92,653.18-38,463.04

Finding the Fourth Proportional to 67,143.26, 92,653.18 and 38,463.04

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Solution

The fourth proportional to 67,143.26, 92,653.18 and 38,463.04 is: 53,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,143.26 : 92,653.18 = 38,463.04 : x
  2. Step 2: Convert to fraction form
    67,143.26/92,653.18 = 38,463.04/x
  3. Step 3: Cross multiply
    67,143.26x = 92,653.18 × 38,463.04
  4. Step 4: Simplify right side
    67,143.26x = 3,563,722,683.31
  5. Step 5: Solve for x
    x = 3,563,722,683.31/67,143.26
  6. Step 6: Final answer
    x = 53,076.40

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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.