Home / 69,985.05-104,977.10-17,394.45

Finding the Fourth Proportional to 69,985.05, 104,977.10 and 17,394.45

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Solution

The fourth proportional to 69,985.05, 104,977.10 and 17,394.45 is: 26,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,985.05 : 104,977.10 = 17,394.45 : x
  2. Step 2: Convert to fraction form
    69,985.05/104,977.10 = 17,394.45/x
  3. Step 3: Cross multiply
    69,985.05x = 104,977.10 × 17,394.45
  4. Step 4: Simplify right side
    69,985.05x = 1,826,018,830.12
  5. Step 5: Solve for x
    x = 1,826,018,830.12/69,985.05
  6. Step 6: Final answer
    x = 26,091.56

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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.