Home / 118,851.06-164,027.25-75,831.72

Finding the Fourth Proportional to 118,851.06, 164,027.25 and 75,831.72

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Solution

The fourth proportional to 118,851.06, 164,027.25 and 75,831.72 is: 104,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,851.06 : 164,027.25 = 75,831.72 : x
  2. Step 2: Convert to fraction form
    118,851.06/164,027.25 = 75,831.72/x
  3. Step 3: Cross multiply
    118,851.06x = 164,027.25 × 75,831.72
  4. Step 4: Simplify right side
    118,851.06x = 12,438,468,494.37
  5. Step 5: Solve for x
    x = 12,438,468,494.37/118,851.06
  6. Step 6: Final answer
    x = 104,655.93

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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.