Home / 99,401.78-148,994.22-48,835.62

Finding the Fourth Proportional to 99,401.78, 148,994.22 and 48,835.62

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Solution

The fourth proportional to 99,401.78, 148,994.22 and 48,835.62 is: 73,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,401.78 : 148,994.22 = 48,835.62 : x
  2. Step 2: Convert to fraction form
    99,401.78/148,994.22 = 48,835.62/x
  3. Step 3: Cross multiply
    99,401.78x = 148,994.22 × 48,835.62
  4. Step 4: Simplify right side
    99,401.78x = 7,276,225,110.12
  5. Step 5: Solve for x
    x = 7,276,225,110.12/99,401.78
  6. Step 6: Final answer
    x = 73,200.15

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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.