Home / 70,342.07-105,522.36-22,940.51

Finding the Fourth Proportional to 70,342.07, 105,522.36 and 22,940.51

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Solution

The fourth proportional to 70,342.07, 105,522.36 and 22,940.51 is: 34,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342.07 : 105,522.36 = 22,940.51 : x
  2. Step 2: Convert to fraction form
    70,342.07/105,522.36 = 22,940.51/x
  3. Step 3: Cross multiply
    70,342.07x = 105,522.36 × 22,940.51
  4. Step 4: Simplify right side
    70,342.07x = 2,420,736,227.19
  5. Step 5: Solve for x
    x = 2,420,736,227.19/70,342.07
  6. Step 6: Final answer
    x = 34,413.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.