Home / 105,790.80-158,685.48-26,904

Finding the Fourth Proportional to 105,790.80, 158,685.48 and 26,904

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Solution

The fourth proportional to 105,790.80, 158,685.48 and 26,904 is: 40,355.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,790.80 : 158,685.48 = 26,904 : x
  2. Step 2: Convert to fraction form
    105,790.80/158,685.48 = 26,904/x
  3. Step 3: Cross multiply
    105,790.80x = 158,685.48 × 26,904
  4. Step 4: Simplify right side
    105,790.80x = 4,269,274,153.92
  5. Step 5: Solve for x
    x = 4,269,274,153.92/105,790.80
  6. Step 6: Final answer
    x = 40,355.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.