Home / 99,339.72-148,936.68-46,720.50

Finding the Fourth Proportional to 99,339.72, 148,936.68 and 46,720.50

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Solution

The fourth proportional to 99,339.72, 148,936.68 and 46,720.50 is: 70,046.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,339.72 : 148,936.68 = 46,720.50 : x
  2. Step 2: Convert to fraction form
    99,339.72/148,936.68 = 46,720.50/x
  3. Step 3: Cross multiply
    99,339.72x = 148,936.68 × 46,720.50
  4. Step 4: Simplify right side
    99,339.72x = 6,958,396,157.94
  5. Step 5: Solve for x
    x = 6,958,396,157.94/99,339.72
  6. Step 6: Final answer
    x = 70,046.46

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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.