Home / 70,511.15-105,764.99-17,203.50

Finding the Fourth Proportional to 70,511.15, 105,764.99 and 17,203.50

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Solution

The fourth proportional to 70,511.15, 105,764.99 and 17,203.50 is: 25,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,511.15 : 105,764.99 = 17,203.50 : x
  2. Step 2: Convert to fraction form
    70,511.15/105,764.99 = 17,203.50/x
  3. Step 3: Cross multiply
    70,511.15x = 105,764.99 × 17,203.50
  4. Step 4: Simplify right side
    70,511.15x = 1,819,527,919.45
  5. Step 5: Solve for x
    x = 1,819,527,919.45/70,511.15
  6. Step 6: Final answer
    x = 25,804.82

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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.