Home / 89,183.07-133,763.67-51,763.50

Finding the Fourth Proportional to 89,183.07, 133,763.67 and 51,763.50

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Solution

The fourth proportional to 89,183.07, 133,763.67 and 51,763.50 is: 77,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,183.07 : 133,763.67 = 51,763.50 : x
  2. Step 2: Convert to fraction form
    89,183.07/133,763.67 = 51,763.50/x
  3. Step 3: Cross multiply
    89,183.07x = 133,763.67 × 51,763.50
  4. Step 4: Simplify right side
    89,183.07x = 6,924,075,732.05
  5. Step 5: Solve for x
    x = 6,924,075,732.05/89,183.07
  6. Step 6: Final answer
    x = 77,638.90

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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.