Home / 70,647.21-105,966.53-25,057.17

Finding the Fourth Proportional to 70,647.21, 105,966.53 and 25,057.17

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Solution

The fourth proportional to 70,647.21, 105,966.53 and 25,057.17 is: 37,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,647.21 : 105,966.53 = 25,057.17 : x
  2. Step 2: Convert to fraction form
    70,647.21/105,966.53 = 25,057.17/x
  3. Step 3: Cross multiply
    70,647.21x = 105,966.53 × 25,057.17
  4. Step 4: Simplify right side
    70,647.21x = 2,655,221,231.23
  5. Step 5: Solve for x
    x = 2,655,221,231.23/70,647.21
  6. Step 6: Final answer
    x = 37,584.23

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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.