Home / 70,587.09-105,896.43-23,838.75

Finding the Fourth Proportional to 70,587.09, 105,896.43 and 23,838.75

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Solution

The fourth proportional to 70,587.09, 105,896.43 and 23,838.75 is: 35,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,587.09 : 105,896.43 = 23,838.75 : x
  2. Step 2: Convert to fraction form
    70,587.09/105,896.43 = 23,838.75/x
  3. Step 3: Cross multiply
    70,587.09x = 105,896.43 × 23,838.75
  4. Step 4: Simplify right side
    70,587.09x = 2,524,438,520.66
  5. Step 5: Solve for x
    x = 2,524,438,520.66/70,587.09
  6. Step 6: Final answer
    x = 35,763.46

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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.