Home / 67,286.10-92,833.80-40,434.60

Finding the Fourth Proportional to 67,286.10, 92,833.80 and 40,434.60

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Solution

The fourth proportional to 67,286.10, 92,833.80 and 40,434.60 is: 55,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,286.10 : 92,833.80 = 40,434.60 : x
  2. Step 2: Convert to fraction form
    67,286.10/92,833.80 = 40,434.60/x
  3. Step 3: Cross multiply
    67,286.10x = 92,833.80 × 40,434.60
  4. Step 4: Simplify right side
    67,286.10x = 3,753,697,569.48
  5. Step 5: Solve for x
    x = 3,753,697,569.48/67,286.10
  6. Step 6: Final answer
    x = 55,787.12

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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.