Home / 47,669.31-65,763.09-28,795.50

Finding the Fourth Proportional to 47,669.31, 65,763.09 and 28,795.50

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Solution

The fourth proportional to 47,669.31, 65,763.09 and 28,795.50 is: 39,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,669.31 : 65,763.09 = 28,795.50 : x
  2. Step 2: Convert to fraction form
    47,669.31/65,763.09 = 28,795.50/x
  3. Step 3: Cross multiply
    47,669.31x = 65,763.09 × 28,795.50
  4. Step 4: Simplify right side
    47,669.31x = 1,893,681,058.10
  5. Step 5: Solve for x
    x = 1,893,681,058.10/47,669.31
  6. Step 6: Final answer
    x = 39,725.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.