Home / 103,904.94-143,385.95-58,582.52

Finding the Fourth Proportional to 103,904.94, 143,385.95 and 58,582.52

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Solution

The fourth proportional to 103,904.94, 143,385.95 and 58,582.52 is: 80,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,904.94 : 143,385.95 = 58,582.52 : x
  2. Step 2: Convert to fraction form
    103,904.94/143,385.95 = 58,582.52/x
  3. Step 3: Cross multiply
    103,904.94x = 143,385.95 × 58,582.52
  4. Step 4: Simplify right side
    103,904.94x = 8,399,910,727.84
  5. Step 5: Solve for x
    x = 8,399,910,727.84/103,904.94
  6. Step 6: Final answer
    x = 80,842.27

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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.