Home / 70,162.22-105,259.77-47,986.04

Finding the Fourth Proportional to 70,162.22, 105,259.77 and 47,986.04

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Solution

The fourth proportional to 70,162.22, 105,259.77 and 47,986.04 is: 71,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,162.22 : 105,259.77 = 47,986.04 : x
  2. Step 2: Convert to fraction form
    70,162.22/105,259.77 = 47,986.04/x
  3. Step 3: Cross multiply
    70,162.22x = 105,259.77 × 47,986.04
  4. Step 4: Simplify right side
    70,162.22x = 5,050,999,796.76
  5. Step 5: Solve for x
    x = 5,050,999,796.76/70,162.22
  6. Step 6: Final answer
    x = 71,990.30

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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.