Home / 69,862.50-104,810.15-23,115.38

Finding the Fourth Proportional to 69,862.50, 104,810.15 and 23,115.38

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Solution

The fourth proportional to 69,862.50, 104,810.15 and 23,115.38 is: 34,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,862.50 : 104,810.15 = 23,115.38 : x
  2. Step 2: Convert to fraction form
    69,862.50/104,810.15 = 23,115.38/x
  3. Step 3: Cross multiply
    69,862.50x = 104,810.15 × 23,115.38
  4. Step 4: Simplify right side
    69,862.50x = 2,422,725,978.84
  5. Step 5: Solve for x
    x = 2,422,725,978.84/69,862.50
  6. Step 6: Final answer
    x = 34,678.49

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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.