Home / 103,907.64-143,383.92-58,596.84

Finding the Fourth Proportional to 103,907.64, 143,383.92 and 58,596.84

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Solution

The fourth proportional to 103,907.64, 143,383.92 and 58,596.84 is: 80,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,907.64 : 143,383.92 = 58,596.84 : x
  2. Step 2: Convert to fraction form
    103,907.64/143,383.92 = 58,596.84/x
  3. Step 3: Cross multiply
    103,907.64x = 143,383.92 × 58,596.84
  4. Step 4: Simplify right side
    103,907.64x = 8,401,844,618.81
  5. Step 5: Solve for x
    x = 8,401,844,618.81/103,907.64
  6. Step 6: Final answer
    x = 80,858.78

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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.