Home / 67,036.88-100,555.28-17,116.98

Finding the Fourth Proportional to 67,036.88, 100,555.28 and 17,116.98

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Solution

The fourth proportional to 67,036.88, 100,555.28 and 17,116.98 is: 25,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,036.88 : 100,555.28 = 17,116.98 : x
  2. Step 2: Convert to fraction form
    67,036.88/100,555.28 = 17,116.98/x
  3. Step 3: Cross multiply
    67,036.88x = 100,555.28 × 17,116.98
  4. Step 4: Simplify right side
    67,036.88x = 1,721,202,716.65
  5. Step 5: Solve for x
    x = 1,721,202,716.65/67,036.88
  6. Step 6: Final answer
    x = 25,675.46

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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.