Home / 69,985.30-104,977.47-17,394.70

Finding the Fourth Proportional to 69,985.30, 104,977.47 and 17,394.70

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Solution

The fourth proportional to 69,985.30, 104,977.47 and 17,394.70 is: 26,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,985.30 : 104,977.47 = 17,394.70 : x
  2. Step 2: Convert to fraction form
    69,985.30/104,977.47 = 17,394.70/x
  3. Step 3: Cross multiply
    69,985.30x = 104,977.47 × 17,394.70
  4. Step 4: Simplify right side
    69,985.30x = 1,826,051,597.41
  5. Step 5: Solve for x
    x = 1,826,051,597.41/69,985.30
  6. Step 6: Final answer
    x = 26,091.93

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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.