Home / 69,261.18-103,897.66-21,863.59

Finding the Fourth Proportional to 69,261.18, 103,897.66 and 21,863.59

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Solution

The fourth proportional to 69,261.18, 103,897.66 and 21,863.59 is: 32,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,261.18 : 103,897.66 = 21,863.59 : x
  2. Step 2: Convert to fraction form
    69,261.18/103,897.66 = 21,863.59/x
  3. Step 3: Cross multiply
    69,261.18x = 103,897.66 × 21,863.59
  4. Step 4: Simplify right side
    69,261.18x = 2,271,575,536.04
  5. Step 5: Solve for x
    x = 2,271,575,536.04/69,261.18
  6. Step 6: Final answer
    x = 32,797.24

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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.