Home / 105,023.39-157,535.09-26,137.61

Finding the Fourth Proportional to 105,023.39, 157,535.09 and 26,137.61

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Solution

The fourth proportional to 105,023.39, 157,535.09 and 26,137.61 is: 39,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,023.39 : 157,535.09 = 26,137.61 : x
  2. Step 2: Convert to fraction form
    105,023.39/157,535.09 = 26,137.61/x
  3. Step 3: Cross multiply
    105,023.39x = 157,535.09 × 26,137.61
  4. Step 4: Simplify right side
    105,023.39x = 4,117,589,825.37
  5. Step 5: Solve for x
    x = 4,117,589,825.37/105,023.39
  6. Step 6: Final answer
    x = 39,206.41

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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.