Home / 66,017.03-99,032.49-19,270.04

Finding the Fourth Proportional to 66,017.03, 99,032.49 and 19,270.04

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Solution

The fourth proportional to 66,017.03, 99,032.49 and 19,270.04 is: 28,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,017.03 : 99,032.49 = 19,270.04 : x
  2. Step 2: Convert to fraction form
    66,017.03/99,032.49 = 19,270.04/x
  3. Step 3: Cross multiply
    66,017.03x = 99,032.49 × 19,270.04
  4. Step 4: Simplify right side
    66,017.03x = 1,908,359,548.44
  5. Step 5: Solve for x
    x = 1,908,359,548.44/66,017.03
  6. Step 6: Final answer
    x = 28,907.08

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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.