Home / 69,192.43-103,708-31,756.46

Finding the Fourth Proportional to 69,192.43, 103,708 and 31,756.46

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Solution

The fourth proportional to 69,192.43, 103,708 and 31,756.46 is: 47,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,192.43 : 103,708 = 31,756.46 : x
  2. Step 2: Convert to fraction form
    69,192.43/103,708 = 31,756.46/x
  3. Step 3: Cross multiply
    69,192.43x = 103,708 × 31,756.46
  4. Step 4: Simplify right side
    69,192.43x = 3,293,398,953.68
  5. Step 5: Solve for x
    x = 3,293,398,953.68/69,192.43
  6. Step 6: Final answer
    x = 47,597.68

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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.