Home / 74,708.63-103,198.86-59,706.44

Finding the Fourth Proportional to 74,708.63, 103,198.86 and 59,706.44

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Solution

The fourth proportional to 74,708.63, 103,198.86 and 59,706.44 is: 82,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,708.63 : 103,198.86 = 59,706.44 : x
  2. Step 2: Convert to fraction form
    74,708.63/103,198.86 = 59,706.44/x
  3. Step 3: Cross multiply
    74,708.63x = 103,198.86 × 59,706.44
  4. Step 4: Simplify right side
    74,708.63x = 6,161,636,542.66
  5. Step 5: Solve for x
    x = 6,161,636,542.66/74,708.63
  6. Step 6: Final answer
    x = 82,475.57

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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.