Home / 64,438.08-96,638.40-22,896.96

Finding the Fourth Proportional to 64,438.08, 96,638.40 and 22,896.96

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Solution

The fourth proportional to 64,438.08, 96,638.40 and 22,896.96 is: 34,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,438.08 : 96,638.40 = 22,896.96 : x
  2. Step 2: Convert to fraction form
    64,438.08/96,638.40 = 22,896.96/x
  3. Step 3: Cross multiply
    64,438.08x = 96,638.40 × 22,896.96
  4. Step 4: Simplify right side
    64,438.08x = 2,212,725,579.26
  5. Step 5: Solve for x
    x = 2,212,725,579.26/64,438.08
  6. Step 6: Final answer
    x = 34,338.79

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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.