Home / 99,189.78-148,792.77-46,570.56

Finding the Fourth Proportional to 99,189.78, 148,792.77 and 46,570.56

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Solution

The fourth proportional to 99,189.78, 148,792.77 and 46,570.56 is: 69,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,189.78 : 148,792.77 = 46,570.56 : x
  2. Step 2: Convert to fraction form
    99,189.78/148,792.77 = 46,570.56/x
  3. Step 3: Cross multiply
    99,189.78x = 148,792.77 × 46,570.56
  4. Step 4: Simplify right side
    99,189.78x = 6,929,362,622.85
  5. Step 5: Solve for x
    x = 6,929,362,622.85/99,189.78
  6. Step 6: Final answer
    x = 69,859.64

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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.