Home / 103,666.37-143,067.06-58,348.89

Finding the Fourth Proportional to 103,666.37, 143,067.06 and 58,348.89

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Solution

The fourth proportional to 103,666.37, 143,067.06 and 58,348.89 is: 80,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.37 : 143,067.06 = 58,348.89 : x
  2. Step 2: Convert to fraction form
    103,666.37/143,067.06 = 58,348.89/x
  3. Step 3: Cross multiply
    103,666.37x = 143,067.06 × 58,348.89
  4. Step 4: Simplify right side
    103,666.37x = 8,347,804,146.56
  5. Step 5: Solve for x
    x = 8,347,804,146.56/103,666.37
  6. Step 6: Final answer
    x = 80,525.68

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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.