Home / 74,084.25-102,236.67-40,550.25

Finding the Fourth Proportional to 74,084.25, 102,236.67 and 40,550.25

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Solution

The fourth proportional to 74,084.25, 102,236.67 and 40,550.25 is: 55,959.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,084.25 : 102,236.67 = 40,550.25 : x
  2. Step 2: Convert to fraction form
    74,084.25/102,236.67 = 40,550.25/x
  3. Step 3: Cross multiply
    74,084.25x = 102,236.67 × 40,550.25
  4. Step 4: Simplify right side
    74,084.25x = 4,145,722,527.67
  5. Step 5: Solve for x
    x = 4,145,722,527.67/74,084.25
  6. Step 6: Final answer
    x = 55,959.57

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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.