Home / 103,910.48-143,393.58-58,588.06

Finding the Fourth Proportional to 103,910.48, 143,393.58 and 58,588.06

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Solution

The fourth proportional to 103,910.48, 143,393.58 and 58,588.06 is: 80,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,910.48 : 143,393.58 = 58,588.06 : x
  2. Step 2: Convert to fraction form
    103,910.48/143,393.58 = 58,588.06/x
  3. Step 3: Cross multiply
    103,910.48x = 143,393.58 × 58,588.06
  4. Step 4: Simplify right side
    103,910.48x = 8,401,151,668.65
  5. Step 5: Solve for x
    x = 8,401,151,668.65/103,910.48
  6. Step 6: Final answer
    x = 80,849.90

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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.