Home / 70,619.48-105,936.20-23,215.35

Finding the Fourth Proportional to 70,619.48, 105,936.20 and 23,215.35

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Solution

The fourth proportional to 70,619.48, 105,936.20 and 23,215.35 is: 34,825.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,619.48 : 105,936.20 = 23,215.35 : x
  2. Step 2: Convert to fraction form
    70,619.48/105,936.20 = 23,215.35/x
  3. Step 3: Cross multiply
    70,619.48x = 105,936.20 × 23,215.35
  4. Step 4: Simplify right side
    70,619.48x = 2,459,345,960.67
  5. Step 5: Solve for x
    x = 2,459,345,960.67/70,619.48
  6. Step 6: Final answer
    x = 34,825.32

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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.