Home / 98,135.18-147,073.14-35,745.74

Finding the Fourth Proportional to 98,135.18, 147,073.14 and 35,745.74

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Solution

The fourth proportional to 98,135.18, 147,073.14 and 35,745.74 is: 53,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,135.18 : 147,073.14 = 35,745.74 : x
  2. Step 2: Convert to fraction form
    98,135.18/147,073.14 = 35,745.74/x
  3. Step 3: Cross multiply
    98,135.18x = 147,073.14 × 35,745.74
  4. Step 4: Simplify right side
    98,135.18x = 5,257,238,223.42
  5. Step 5: Solve for x
    x = 5,257,238,223.42/98,135.18
  6. Step 6: Final answer
    x = 53,571.39

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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.