Home / 115,302.90-173,021.04-48,738.72

Finding the Fourth Proportional to 115,302.90, 173,021.04 and 48,738.72

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Solution

The fourth proportional to 115,302.90, 173,021.04 and 48,738.72 is: 73,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,302.90 : 173,021.04 = 48,738.72 : x
  2. Step 2: Convert to fraction form
    115,302.90/173,021.04 = 48,738.72/x
  3. Step 3: Cross multiply
    115,302.90x = 173,021.04 × 48,738.72
  4. Step 4: Simplify right side
    115,302.90x = 8,432,824,022.67
  5. Step 5: Solve for x
    x = 8,432,824,022.67/115,302.90
  6. Step 6: Final answer
    x = 73,136.27

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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.