Home / 69,024.15-103,538.54-19,100.07

Finding the Fourth Proportional to 69,024.15, 103,538.54 and 19,100.07

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Solution

The fourth proportional to 69,024.15, 103,538.54 and 19,100.07 is: 28,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,024.15 : 103,538.54 = 19,100.07 : x
  2. Step 2: Convert to fraction form
    69,024.15/103,538.54 = 19,100.07/x
  3. Step 3: Cross multiply
    69,024.15x = 103,538.54 × 19,100.07
  4. Step 4: Simplify right side
    69,024.15x = 1,977,593,266.20
  5. Step 5: Solve for x
    x = 1,977,593,266.20/69,024.15
  6. Step 6: Final answer
    x = 28,650.74

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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.