Home / 211,831.55-317,747.06-54,060.01

Finding the Fourth Proportional to 211,831.55, 317,747.06 and 54,060.01

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Solution

The fourth proportional to 211,831.55, 317,747.06 and 54,060.01 is: 81,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,831.55 : 317,747.06 = 54,060.01 : x
  2. Step 2: Convert to fraction form
    211,831.55/317,747.06 = 54,060.01/x
  3. Step 3: Cross multiply
    211,831.55x = 317,747.06 × 54,060.01
  4. Step 4: Simplify right side
    211,831.55x = 17,177,409,376.22
  5. Step 5: Solve for x
    x = 17,177,409,376.22/211,831.55
  6. Step 6: Final answer
    x = 81,089.95

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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.