Home / 69,857.07-104,785.64-23,109.95

Finding the Fourth Proportional to 69,857.07, 104,785.64 and 23,109.95

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Solution

The fourth proportional to 69,857.07, 104,785.64 and 23,109.95 is: 34,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,857.07 : 104,785.64 = 23,109.95 : x
  2. Step 2: Convert to fraction form
    69,857.07/104,785.64 = 23,109.95/x
  3. Step 3: Cross multiply
    69,857.07x = 104,785.64 × 23,109.95
  4. Step 4: Simplify right side
    69,857.07x = 2,421,590,377.19
  5. Step 5: Solve for x
    x = 2,421,590,377.19/69,857.07
  6. Step 6: Final answer
    x = 34,664.93

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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.