Home / 98,002.24-147,004.18-31,442.48

Finding the Fourth Proportional to 98,002.24, 147,004.18 and 31,442.48

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Solution

The fourth proportional to 98,002.24, 147,004.18 and 31,442.48 is: 47,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,002.24 : 147,004.18 = 31,442.48 : x
  2. Step 2: Convert to fraction form
    98,002.24/147,004.18 = 31,442.48/x
  3. Step 3: Cross multiply
    98,002.24x = 147,004.18 × 31,442.48
  4. Step 4: Simplify right side
    98,002.24x = 4,622,175,989.57
  5. Step 5: Solve for x
    x = 4,622,175,989.57/98,002.24
  6. Step 6: Final answer
    x = 47,163.98

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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.