Home / 95,848.20-143,642.70-84,702.60

Finding the Fourth Proportional to 95,848.20, 143,642.70 and 84,702.60

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Solution

The fourth proportional to 95,848.20, 143,642.70 and 84,702.60 is: 126,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,848.20 : 143,642.70 = 84,702.60 : x
  2. Step 2: Convert to fraction form
    95,848.20/143,642.70 = 84,702.60/x
  3. Step 3: Cross multiply
    95,848.20x = 143,642.70 × 84,702.60
  4. Step 4: Simplify right side
    95,848.20x = 12,166,910,161.02
  5. Step 5: Solve for x
    x = 12,166,910,161.02/95,848.20
  6. Step 6: Final answer
    x = 126,939.37

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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.