Home / 51,111.54-76,667.65-17,831.48

Finding the Fourth Proportional to 51,111.54, 76,667.65 and 17,831.48

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Solution

The fourth proportional to 51,111.54, 76,667.65 and 17,831.48 is: 26,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111.54 : 76,667.65 = 17,831.48 : x
  2. Step 2: Convert to fraction form
    51,111.54/76,667.65 = 17,831.48/x
  3. Step 3: Cross multiply
    51,111.54x = 76,667.65 × 17,831.48
  4. Step 4: Simplify right side
    51,111.54x = 1,367,097,239.71
  5. Step 5: Solve for x
    x = 1,367,097,239.71/51,111.54
  6. Step 6: Final answer
    x = 26,747.33

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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.