Home / 69,992.15-104,988.28-17,401.62

Finding the Fourth Proportional to 69,992.15, 104,988.28 and 17,401.62

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Solution

The fourth proportional to 69,992.15, 104,988.28 and 17,401.62 is: 26,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,992.15 : 104,988.28 = 17,401.62 : x
  2. Step 2: Convert to fraction form
    69,992.15/104,988.28 = 17,401.62/x
  3. Step 3: Cross multiply
    69,992.15x = 104,988.28 × 17,401.62
  4. Step 4: Simplify right side
    69,992.15x = 1,826,966,109.51
  5. Step 5: Solve for x
    x = 1,826,966,109.51/69,992.15
  6. Step 6: Final answer
    x = 26,102.44

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1.5x scale

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.