Home / 66,106.68-99,199.42-23,990.05

Finding the Fourth Proportional to 66,106.68, 99,199.42 and 23,990.05

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Solution

The fourth proportional to 66,106.68, 99,199.42 and 23,990.05 is: 35,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,106.68 : 99,199.42 = 23,990.05 : x
  2. Step 2: Convert to fraction form
    66,106.68/99,199.42 = 23,990.05/x
  3. Step 3: Cross multiply
    66,106.68x = 99,199.42 × 23,990.05
  4. Step 4: Simplify right side
    66,106.68x = 2,379,799,045.77
  5. Step 5: Solve for x
    x = 2,379,799,045.77/66,106.68
  6. Step 6: Final answer
    x = 35,999.37

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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.