Home / 70,087.36-105,131.04-17,496.76

Finding the Fourth Proportional to 70,087.36, 105,131.04 and 17,496.76

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Solution

The fourth proportional to 70,087.36, 105,131.04 and 17,496.76 is: 26,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,087.36 : 105,131.04 = 17,496.76 : x
  2. Step 2: Convert to fraction form
    70,087.36/105,131.04 = 17,496.76/x
  3. Step 3: Cross multiply
    70,087.36x = 105,131.04 × 17,496.76
  4. Step 4: Simplify right side
    70,087.36x = 1,839,452,575.43
  5. Step 5: Solve for x
    x = 1,839,452,575.43/70,087.36
  6. Step 6: Final answer
    x = 26,245.14

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Similar ratio
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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.