Home / 69,961.31-104,957.55-25,587.08

Finding the Fourth Proportional to 69,961.31, 104,957.55 and 25,587.08

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Solution

The fourth proportional to 69,961.31, 104,957.55 and 25,587.08 is: 38,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,961.31 : 104,957.55 = 25,587.08 : x
  2. Step 2: Convert to fraction form
    69,961.31/104,957.55 = 25,587.08/x
  3. Step 3: Cross multiply
    69,961.31x = 104,957.55 × 25,587.08
  4. Step 4: Simplify right side
    69,961.31x = 2,685,557,228.45
  5. Step 5: Solve for x
    x = 2,685,557,228.45/69,961.31
  6. Step 6: Final answer
    x = 38,386.32

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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.