Home / 96,693.72-145,040.38-54,554.67

Finding the Fourth Proportional to 96,693.72, 145,040.38 and 54,554.67

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Solution

The fourth proportional to 96,693.72, 145,040.38 and 54,554.67 is: 81,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,693.72 : 145,040.38 = 54,554.67 : x
  2. Step 2: Convert to fraction form
    96,693.72/145,040.38 = 54,554.67/x
  3. Step 3: Cross multiply
    96,693.72x = 145,040.38 × 54,554.67
  4. Step 4: Simplify right side
    96,693.72x = 7,912,630,067.57
  5. Step 5: Solve for x
    x = 7,912,630,067.57/96,693.72
  6. Step 6: Final answer
    x = 81,831.89

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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.