Home / 105,824.88-146,037.75-58,077.21

Finding the Fourth Proportional to 105,824.88, 146,037.75 and 58,077.21

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Solution

The fourth proportional to 105,824.88, 146,037.75 and 58,077.21 is: 80,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,824.88 : 146,037.75 = 58,077.21 : x
  2. Step 2: Convert to fraction form
    105,824.88/146,037.75 = 58,077.21/x
  3. Step 3: Cross multiply
    105,824.88x = 146,037.75 × 58,077.21
  4. Step 4: Simplify right side
    105,824.88x = 8,481,465,074.68
  5. Step 5: Solve for x
    x = 8,481,465,074.68/105,824.88
  6. Step 6: Final answer
    x = 80,146.23

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1.5x scale

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.