Home / 69,820.41-104,730.45-25,429.02

Finding the Fourth Proportional to 69,820.41, 104,730.45 and 25,429.02

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Solution

The fourth proportional to 69,820.41, 104,730.45 and 25,429.02 is: 38,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,820.41 : 104,730.45 = 25,429.02 : x
  2. Step 2: Convert to fraction form
    69,820.41/104,730.45 = 25,429.02/x
  3. Step 3: Cross multiply
    69,820.41x = 104,730.45 × 25,429.02
  4. Step 4: Simplify right side
    69,820.41x = 2,663,192,707.66
  5. Step 5: Solve for x
    x = 2,663,192,707.66/69,820.41
  6. Step 6: Final answer
    x = 38,143.47

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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.