Home / 115,928.40-173,929.92-52,771.12

Finding the Fourth Proportional to 115,928.40, 173,929.92 and 52,771.12

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Solution

The fourth proportional to 115,928.40, 173,929.92 and 52,771.12 is: 79,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,928.40 : 173,929.92 = 52,771.12 : x
  2. Step 2: Convert to fraction form
    115,928.40/173,929.92 = 52,771.12/x
  3. Step 3: Cross multiply
    115,928.40x = 173,929.92 × 52,771.12
  4. Step 4: Simplify right side
    115,928.40x = 9,178,476,679.91
  5. Step 5: Solve for x
    x = 9,178,476,679.91/115,928.40
  6. Step 6: Final answer
    x = 79,173.67

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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.