Home / 88,676.79-122,372.96-48,391.24

Finding the Fourth Proportional to 88,676.79, 122,372.96 and 48,391.24

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Solution

The fourth proportional to 88,676.79, 122,372.96 and 48,391.24 is: 66,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.79 : 122,372.96 = 48,391.24 : x
  2. Step 2: Convert to fraction form
    88,676.79/122,372.96 = 48,391.24/x
  3. Step 3: Cross multiply
    88,676.79x = 122,372.96 × 48,391.24
  4. Step 4: Simplify right side
    88,676.79x = 5,921,779,276.87
  5. Step 5: Solve for x
    x = 5,921,779,276.87/88,676.79
  6. Step 6: Final answer
    x = 66,779.36

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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.