Home / 76,936.23-106,175.21-42,946.61

Finding the Fourth Proportional to 76,936.23, 106,175.21 and 42,946.61

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Solution

The fourth proportional to 76,936.23, 106,175.21 and 42,946.61 is: 59,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,936.23 : 106,175.21 = 42,946.61 : x
  2. Step 2: Convert to fraction form
    76,936.23/106,175.21 = 42,946.61/x
  3. Step 3: Cross multiply
    76,936.23x = 106,175.21 × 42,946.61
  4. Step 4: Simplify right side
    76,936.23x = 4,559,864,589.93
  5. Step 5: Solve for x
    x = 4,559,864,589.93/76,936.23
  6. Step 6: Final answer
    x = 59,268.11

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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.