Home / 66,316.37-99,474.69-54,604.99

Finding the Fourth Proportional to 66,316.37, 99,474.69 and 54,604.99

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Solution

The fourth proportional to 66,316.37, 99,474.69 and 54,604.99 is: 81,907.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,316.37 : 99,474.69 = 54,604.99 : x
  2. Step 2: Convert to fraction form
    66,316.37/99,474.69 = 54,604.99/x
  3. Step 3: Cross multiply
    66,316.37x = 99,474.69 × 54,604.99
  4. Step 4: Simplify right side
    66,316.37x = 5,431,813,955.33
  5. Step 5: Solve for x
    x = 5,431,813,955.33/66,316.37
  6. Step 6: Final answer
    x = 81,907.59

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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.