Home / 64,260.96-88,731.12-42,771.36

Finding the Fourth Proportional to 64,260.96, 88,731.12 and 42,771.36

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Solution

The fourth proportional to 64,260.96, 88,731.12 and 42,771.36 is: 59,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,260.96 : 88,731.12 = 42,771.36 : x
  2. Step 2: Convert to fraction form
    64,260.96/88,731.12 = 42,771.36/x
  3. Step 3: Cross multiply
    64,260.96x = 88,731.12 × 42,771.36
  4. Step 4: Simplify right side
    64,260.96x = 3,795,150,676.72
  5. Step 5: Solve for x
    x = 3,795,150,676.72/64,260.96
  6. Step 6: Final answer
    x = 59,058.42

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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.