Home / 69,479.10-104,218.73-16,888.59

Finding the Fourth Proportional to 69,479.10, 104,218.73 and 16,888.59

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Solution

The fourth proportional to 69,479.10, 104,218.73 and 16,888.59 is: 25,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,479.10 : 104,218.73 = 16,888.59 : x
  2. Step 2: Convert to fraction form
    69,479.10/104,218.73 = 16,888.59/x
  3. Step 3: Cross multiply
    69,479.10x = 104,218.73 × 16,888.59
  4. Step 4: Simplify right side
    69,479.10x = 1,760,107,401.29
  5. Step 5: Solve for x
    x = 1,760,107,401.29/69,479.10
  6. Step 6: Final answer
    x = 25,332.90

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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.