Home / 103,797.27-143,240.67-58,475.80

Finding the Fourth Proportional to 103,797.27, 143,240.67 and 58,475.80

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Solution

The fourth proportional to 103,797.27, 143,240.67 and 58,475.80 is: 80,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,797.27 : 143,240.67 = 58,475.80 : x
  2. Step 2: Convert to fraction form
    103,797.27/143,240.67 = 58,475.80/x
  3. Step 3: Cross multiply
    103,797.27x = 143,240.67 × 58,475.80
  4. Step 4: Simplify right side
    103,797.27x = 8,376,112,144.11
  5. Step 5: Solve for x
    x = 8,376,112,144.11/103,797.27
  6. Step 6: Final answer
    x = 80,696.84

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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.