Home / 103,792.45-155,747.85-40,617.67

Finding the Fourth Proportional to 103,792.45, 155,747.85 and 40,617.67

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Solution

The fourth proportional to 103,792.45, 155,747.85 and 40,617.67 is: 60,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,792.45 : 155,747.85 = 40,617.67 : x
  2. Step 2: Convert to fraction form
    103,792.45/155,747.85 = 40,617.67/x
  3. Step 3: Cross multiply
    103,792.45x = 155,747.85 × 40,617.67
  4. Step 4: Simplify right side
    103,792.45x = 6,326,114,774.51
  5. Step 5: Solve for x
    x = 6,326,114,774.51/103,792.45
  6. Step 6: Final answer
    x = 60,949.66

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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.