Home / 103,651.62-143,037.54-58,329.57

Finding the Fourth Proportional to 103,651.62, 143,037.54 and 58,329.57

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Solution

The fourth proportional to 103,651.62, 143,037.54 and 58,329.57 is: 80,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.62 : 143,037.54 = 58,329.57 : x
  2. Step 2: Convert to fraction form
    103,651.62/143,037.54 = 58,329.57/x
  3. Step 3: Cross multiply
    103,651.62x = 143,037.54 × 58,329.57
  4. Step 4: Simplify right side
    103,651.62x = 8,343,318,202.06
  5. Step 5: Solve for x
    x = 8,343,318,202.06/103,651.62
  6. Step 6: Final answer
    x = 80,493.85

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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.