Home / 66,104.96-99,130.24-32,812.80

Finding the Fourth Proportional to 66,104.96, 99,130.24 and 32,812.80

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Solution

The fourth proportional to 66,104.96, 99,130.24 and 32,812.80 is: 49,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,104.96 : 99,130.24 = 32,812.80 : x
  2. Step 2: Convert to fraction form
    66,104.96/99,130.24 = 32,812.80/x
  3. Step 3: Cross multiply
    66,104.96x = 99,130.24 × 32,812.80
  4. Step 4: Simplify right side
    66,104.96x = 3,252,740,739.07
  5. Step 5: Solve for x
    x = 3,252,740,739.07/66,104.96
  6. Step 6: Final answer
    x = 49,205.70

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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.