Home / 70,161.18-105,168.26-32,690.35

Finding the Fourth Proportional to 70,161.18, 105,168.26 and 32,690.35

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Solution

The fourth proportional to 70,161.18, 105,168.26 and 32,690.35 is: 49,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,161.18 : 105,168.26 = 32,690.35 : x
  2. Step 2: Convert to fraction form
    70,161.18/105,168.26 = 32,690.35/x
  3. Step 3: Cross multiply
    70,161.18x = 105,168.26 × 32,690.35
  4. Step 4: Simplify right side
    70,161.18x = 3,437,987,257.59
  5. Step 5: Solve for x
    x = 3,437,987,257.59/70,161.18
  6. Step 6: Final answer
    x = 49,001.28

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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.