Home / 69,023.82-103,538.02-19,099.74

Finding the Fourth Proportional to 69,023.82, 103,538.02 and 19,099.74

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Solution

The fourth proportional to 69,023.82, 103,538.02 and 19,099.74 is: 28,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,023.82 : 103,538.02 = 19,099.74 : x
  2. Step 2: Convert to fraction form
    69,023.82/103,538.02 = 19,099.74/x
  3. Step 3: Cross multiply
    69,023.82x = 103,538.02 × 19,099.74
  4. Step 4: Simplify right side
    69,023.82x = 1,977,549,262.11
  5. Step 5: Solve for x
    x = 1,977,549,262.11/69,023.82
  6. Step 6: Final answer
    x = 28,650.24

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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.