Home / 136,831.07-205,162.77-48,094.76

Finding the Fourth Proportional to 136,831.07, 205,162.77 and 48,094.76

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Solution

The fourth proportional to 136,831.07, 205,162.77 and 48,094.76 is: 72,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,831.07 : 205,162.77 = 48,094.76 : x
  2. Step 2: Convert to fraction form
    136,831.07/205,162.77 = 48,094.76/x
  3. Step 3: Cross multiply
    136,831.07x = 205,162.77 × 48,094.76
  4. Step 4: Simplify right side
    136,831.07x = 9,867,254,877.35
  5. Step 5: Solve for x
    x = 9,867,254,877.35/136,831.07
  6. Step 6: Final answer
    x = 72,112.68

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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.