Home / 103,382.86-142,651.26-60,949.58

Finding the Fourth Proportional to 103,382.86, 142,651.26 and 60,949.58

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Solution

The fourth proportional to 103,382.86, 142,651.26 and 60,949.58 is: 84,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,382.86 : 142,651.26 = 60,949.58 : x
  2. Step 2: Convert to fraction form
    103,382.86/142,651.26 = 60,949.58/x
  3. Step 3: Cross multiply
    103,382.86x = 142,651.26 × 60,949.58
  4. Step 4: Simplify right side
    103,382.86x = 8,694,534,383.47
  5. Step 5: Solve for x
    x = 8,694,534,383.47/103,382.86
  6. Step 6: Final answer
    x = 84,100.35

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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.