Home / 69,021.32-103,534.28-19,097.24

Finding the Fourth Proportional to 69,021.32, 103,534.28 and 19,097.24

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Solution

The fourth proportional to 69,021.32, 103,534.28 and 19,097.24 is: 28,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,021.32 : 103,534.28 = 19,097.24 : x
  2. Step 2: Convert to fraction form
    69,021.32/103,534.28 = 19,097.24/x
  3. Step 3: Cross multiply
    69,021.32x = 103,534.28 × 19,097.24
  4. Step 4: Simplify right side
    69,021.32x = 1,977,218,380.23
  5. Step 5: Solve for x
    x = 1,977,218,380.23/69,021.32
  6. Step 6: Final answer
    x = 28,646.49

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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.