Home / 88,506.72-132,779.52-49,121.28

Finding the Fourth Proportional to 88,506.72, 132,779.52 and 49,121.28

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Solution

The fourth proportional to 88,506.72, 132,779.52 and 49,121.28 is: 73,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,506.72 : 132,779.52 = 49,121.28 : x
  2. Step 2: Convert to fraction form
    88,506.72/132,779.52 = 49,121.28/x
  3. Step 3: Cross multiply
    88,506.72x = 132,779.52 × 49,121.28
  4. Step 4: Simplify right side
    88,506.72x = 6,522,299,980.19
  5. Step 5: Solve for x
    x = 6,522,299,980.19/88,506.72
  6. Step 6: Final answer
    x = 73,692.71

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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.