Home / 99,738.60-149,483.16-49,832.67

Finding the Fourth Proportional to 99,738.60, 149,483.16 and 49,832.67

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Solution

The fourth proportional to 99,738.60, 149,483.16 and 49,832.67 is: 74,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,738.60 : 149,483.16 = 49,832.67 : x
  2. Step 2: Convert to fraction form
    99,738.60/149,483.16 = 49,832.67/x
  3. Step 3: Cross multiply
    99,738.60x = 149,483.16 × 49,832.67
  4. Step 4: Simplify right side
    99,738.60x = 7,449,144,982.84
  5. Step 5: Solve for x
    x = 7,449,144,982.84/99,738.60
  6. Step 6: Final answer
    x = 74,686.68

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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.