Home / 103,904.97-143,385.99-58,582.56

Finding the Fourth Proportional to 103,904.97, 143,385.99 and 58,582.56

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Solution

The fourth proportional to 103,904.97, 143,385.99 and 58,582.56 is: 80,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,904.97 : 143,385.99 = 58,582.56 : x
  2. Step 2: Convert to fraction form
    103,904.97/143,385.99 = 58,582.56/x
  3. Step 3: Cross multiply
    103,904.97x = 143,385.99 × 58,582.56
  4. Step 4: Simplify right side
    103,904.97x = 8,399,918,362.33
  5. Step 5: Solve for x
    x = 8,399,918,362.33/103,904.97
  6. Step 6: Final answer
    x = 80,842.32

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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.