Home / 70,033.15-105,080.52-36,745.36

Finding the Fourth Proportional to 70,033.15, 105,080.52 and 36,745.36

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Solution

The fourth proportional to 70,033.15, 105,080.52 and 36,745.36 is: 55,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,033.15 : 105,080.52 = 36,745.36 : x
  2. Step 2: Convert to fraction form
    70,033.15/105,080.52 = 36,745.36/x
  3. Step 3: Cross multiply
    70,033.15x = 105,080.52 × 36,745.36
  4. Step 4: Simplify right side
    70,033.15x = 3,861,221,536.39
  5. Step 5: Solve for x
    x = 3,861,221,536.39/70,033.15
  6. Step 6: Final answer
    x = 55,134.20

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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.