Home / 99,121.96-148,664.04-28,044.01

Finding the Fourth Proportional to 99,121.96, 148,664.04 and 28,044.01

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Solution

The fourth proportional to 99,121.96, 148,664.04 and 28,044.01 is: 42,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,121.96 : 148,664.04 = 28,044.01 : x
  2. Step 2: Convert to fraction form
    99,121.96/148,664.04 = 28,044.01/x
  3. Step 3: Cross multiply
    99,121.96x = 148,664.04 × 28,044.01
  4. Step 4: Simplify right side
    99,121.96x = 4,169,135,824.40
  5. Step 5: Solve for x
    x = 4,169,135,824.40/99,121.96
  6. Step 6: Final answer
    x = 42,060.67

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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.