Home / 109,831.80-164,747.70-26,725.80

Finding the Fourth Proportional to 109,831.80, 164,747.70 and 26,725.80

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Solution

The fourth proportional to 109,831.80, 164,747.70 and 26,725.80 is: 40,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,831.80 : 164,747.70 = 26,725.80 : x
  2. Step 2: Convert to fraction form
    109,831.80/164,747.70 = 26,725.80/x
  3. Step 3: Cross multiply
    109,831.80x = 164,747.70 × 26,725.80
  4. Step 4: Simplify right side
    109,831.80x = 4,403,014,080.66
  5. Step 5: Solve for x
    x = 4,403,014,080.66/109,831.80
  6. Step 6: Final answer
    x = 40,088.70

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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.