Home / 73,730.15-110,576.99-31,605.45

Finding the Fourth Proportional to 73,730.15, 110,576.99 and 31,605.45

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Solution

The fourth proportional to 73,730.15, 110,576.99 and 31,605.45 is: 47,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,730.15 : 110,576.99 = 31,605.45 : x
  2. Step 2: Convert to fraction form
    73,730.15/110,576.99 = 31,605.45/x
  3. Step 3: Cross multiply
    73,730.15x = 110,576.99 × 31,605.45
  4. Step 4: Simplify right side
    73,730.15x = 3,494,835,370.57
  5. Step 5: Solve for x
    x = 3,494,835,370.57/73,730.15
  6. Step 6: Final answer
    x = 47,400.36

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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.