Home / 107,838.26-148,814.78-58,780.27

Finding the Fourth Proportional to 107,838.26, 148,814.78 and 58,780.27

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Solution

The fourth proportional to 107,838.26, 148,814.78 and 58,780.27 is: 81,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838.26 : 148,814.78 = 58,780.27 : x
  2. Step 2: Convert to fraction form
    107,838.26/148,814.78 = 58,780.27/x
  3. Step 3: Cross multiply
    107,838.26x = 148,814.78 × 58,780.27
  4. Step 4: Simplify right side
    107,838.26x = 8,747,372,948.39
  5. Step 5: Solve for x
    x = 8,747,372,948.39/107,838.26
  6. Step 6: Final answer
    x = 81,115.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.