Home / 105,744.80-145,933.18-58,002.60

Finding the Fourth Proportional to 105,744.80, 145,933.18 and 58,002.60

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Solution

The fourth proportional to 105,744.80, 145,933.18 and 58,002.60 is: 80,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,744.80 : 145,933.18 = 58,002.60 : x
  2. Step 2: Convert to fraction form
    105,744.80/145,933.18 = 58,002.60/x
  3. Step 3: Cross multiply
    105,744.80x = 145,933.18 × 58,002.60
  4. Step 4: Simplify right side
    105,744.80x = 8,464,503,866.27
  5. Step 5: Solve for x
    x = 8,464,503,866.27/105,744.80
  6. Step 6: Final answer
    x = 80,046.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.