Home / 105,645.47-158,473.97-26,760.38

Finding the Fourth Proportional to 105,645.47, 158,473.97 and 26,760.38

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Solution

The fourth proportional to 105,645.47, 158,473.97 and 26,760.38 is: 40,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,645.47 : 158,473.97 = 26,760.38 : x
  2. Step 2: Convert to fraction form
    105,645.47/158,473.97 = 26,760.38/x
  3. Step 3: Cross multiply
    105,645.47x = 158,473.97 × 26,760.38
  4. Step 4: Simplify right side
    105,645.47x = 4,240,822,831.49
  5. Step 5: Solve for x
    x = 4,240,822,831.49/105,645.47
  6. Step 6: Final answer
    x = 40,142.02

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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.