Home / 96,749.10-144,795.60-84,939.30

Finding the Fourth Proportional to 96,749.10, 144,795.60 and 84,939.30

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Solution

The fourth proportional to 96,749.10, 144,795.60 and 84,939.30 is: 127,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,749.10 : 144,795.60 = 84,939.30 : x
  2. Step 2: Convert to fraction form
    96,749.10/144,795.60 = 84,939.30/x
  3. Step 3: Cross multiply
    96,749.10x = 144,795.60 × 84,939.30
  4. Step 4: Simplify right side
    96,749.10x = 12,298,836,907.08
  5. Step 5: Solve for x
    x = 12,298,836,907.08/96,749.10
  6. Step 6: Final answer
    x = 127,120.94

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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.