Home / 104,021.39-143,548.12-58,081.75

Finding the Fourth Proportional to 104,021.39, 143,548.12 and 58,081.75

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Solution

The fourth proportional to 104,021.39, 143,548.12 and 58,081.75 is: 80,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,021.39 : 143,548.12 = 58,081.75 : x
  2. Step 2: Convert to fraction form
    104,021.39/143,548.12 = 58,081.75/x
  3. Step 3: Cross multiply
    104,021.39x = 143,548.12 × 58,081.75
  4. Step 4: Simplify right side
    104,021.39x = 8,337,525,010.66
  5. Step 5: Solve for x
    x = 8,337,525,010.66/104,021.39
  6. Step 6: Final answer
    x = 80,152.02

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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.