Home / 120,831.42-181,272.33-60,893.58

Finding the Fourth Proportional to 120,831.42, 181,272.33 and 60,893.58

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Solution

The fourth proportional to 120,831.42, 181,272.33 and 60,893.58 is: 91,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,831.42 : 181,272.33 = 60,893.58 : x
  2. Step 2: Convert to fraction form
    120,831.42/181,272.33 = 60,893.58/x
  3. Step 3: Cross multiply
    120,831.42x = 181,272.33 × 60,893.58
  4. Step 4: Simplify right side
    120,831.42x = 11,038,321,128.64
  5. Step 5: Solve for x
    x = 11,038,321,128.64/120,831.42
  6. Step 6: Final answer
    x = 91,353.07

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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.