Home / 127,625.60-191,511.30-48,796.40

Finding the Fourth Proportional to 127,625.60, 191,511.30 and 48,796.40

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Solution

The fourth proportional to 127,625.60, 191,511.30 and 48,796.40 is: 73,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,625.60 : 191,511.30 = 48,796.40 : x
  2. Step 2: Convert to fraction form
    127,625.60/191,511.30 = 48,796.40/x
  3. Step 3: Cross multiply
    127,625.60x = 191,511.30 × 48,796.40
  4. Step 4: Simplify right side
    127,625.60x = 9,345,061,999.32
  5. Step 5: Solve for x
    x = 9,345,061,999.32/127,625.60
  6. Step 6: Final answer
    x = 73,222.47

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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.