Home / 69,111.46-103,639.29-26,985.52

Finding the Fourth Proportional to 69,111.46, 103,639.29 and 26,985.52

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Solution

The fourth proportional to 69,111.46, 103,639.29 and 26,985.52 is: 40,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,111.46 : 103,639.29 = 26,985.52 : x
  2. Step 2: Convert to fraction form
    69,111.46/103,639.29 = 26,985.52/x
  3. Step 3: Cross multiply
    69,111.46x = 103,639.29 × 26,985.52
  4. Step 4: Simplify right side
    69,111.46x = 2,796,760,133.08
  5. Step 5: Solve for x
    x = 2,796,760,133.08/69,111.46
  6. Step 6: Final answer
    x = 40,467.39

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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.