Home / 70,063.26-105,138.03-36,807.18

Finding the Fourth Proportional to 70,063.26, 105,138.03 and 36,807.18

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Solution

The fourth proportional to 70,063.26, 105,138.03 and 36,807.18 is: 55,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,063.26 : 105,138.03 = 36,807.18 : x
  2. Step 2: Convert to fraction form
    70,063.26/105,138.03 = 36,807.18/x
  3. Step 3: Cross multiply
    70,063.26x = 105,138.03 × 36,807.18
  4. Step 4: Simplify right side
    70,063.26x = 3,869,834,395.06
  5. Step 5: Solve for x
    x = 3,869,834,395.06/70,063.26
  6. Step 6: Final answer
    x = 55,233.43

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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.