Home / 66,603.07-99,902.30-16,683.59

Finding the Fourth Proportional to 66,603.07, 99,902.30 and 16,683.59

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Solution

The fourth proportional to 66,603.07, 99,902.30 and 16,683.59 is: 25,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,603.07 : 99,902.30 = 16,683.59 : x
  2. Step 2: Convert to fraction form
    66,603.07/99,902.30 = 16,683.59/x
  3. Step 3: Cross multiply
    66,603.07x = 99,902.30 × 16,683.59
  4. Step 4: Simplify right side
    66,603.07x = 1,666,729,179.59
  5. Step 5: Solve for x
    x = 1,666,729,179.59/66,603.07
  6. Step 6: Final answer
    x = 25,024.81

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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.