Home / 103,907.75-143,384.04-58,596.89

Finding the Fourth Proportional to 103,907.75, 143,384.04 and 58,596.89

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Solution

The fourth proportional to 103,907.75, 143,384.04 and 58,596.89 is: 80,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,907.75 : 143,384.04 = 58,596.89 : x
  2. Step 2: Convert to fraction form
    103,907.75/143,384.04 = 58,596.89/x
  3. Step 3: Cross multiply
    103,907.75x = 143,384.04 × 58,596.89
  4. Step 4: Simplify right side
    103,907.75x = 8,401,858,102.72
  5. Step 5: Solve for x
    x = 8,401,858,102.72/103,907.75
  6. Step 6: Final answer
    x = 80,858.82

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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.