Home / 74,084.46-102,238.95-40,550.46

Finding the Fourth Proportional to 74,084.46, 102,238.95 and 40,550.46

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Solution

The fourth proportional to 74,084.46, 102,238.95 and 40,550.46 is: 55,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,084.46 : 102,238.95 = 40,550.46 : x
  2. Step 2: Convert to fraction form
    74,084.46/102,238.95 = 40,550.46/x
  3. Step 3: Cross multiply
    74,084.46x = 102,238.95 × 40,550.46
  4. Step 4: Simplify right side
    74,084.46x = 4,145,836,452.42
  5. Step 5: Solve for x
    x = 4,145,836,452.42/74,084.46
  6. Step 6: Final answer
    x = 55,960.95

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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.