Home / 69,286.41-103,970.63-29,303.15

Finding the Fourth Proportional to 69,286.41, 103,970.63 and 29,303.15

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Solution

The fourth proportional to 69,286.41, 103,970.63 and 29,303.15 is: 43,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,286.41 : 103,970.63 = 29,303.15 : x
  2. Step 2: Convert to fraction form
    69,286.41/103,970.63 = 29,303.15/x
  3. Step 3: Cross multiply
    69,286.41x = 103,970.63 × 29,303.15
  4. Step 4: Simplify right side
    69,286.41x = 3,046,666,519.89
  5. Step 5: Solve for x
    x = 3,046,666,519.89/69,286.41
  6. Step 6: Final answer
    x = 43,972.06

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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.