Home / 211,831.95-317,747.70-54,060.39

Finding the Fourth Proportional to 211,831.95, 317,747.70 and 54,060.39

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Solution

The fourth proportional to 211,831.95, 317,747.70 and 54,060.39 is: 81,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,831.95 : 317,747.70 = 54,060.39 : x
  2. Step 2: Convert to fraction form
    211,831.95/317,747.70 = 54,060.39/x
  3. Step 3: Cross multiply
    211,831.95x = 317,747.70 × 54,060.39
  4. Step 4: Simplify right side
    211,831.95x = 17,177,564,583.60
  5. Step 5: Solve for x
    x = 17,177,564,583.60/211,831.95
  6. Step 6: Final answer
    x = 81,090.53

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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.