Home / 127,905.95-191,749.51-49,076.75

Finding the Fourth Proportional to 127,905.95, 191,749.51 and 49,076.75

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Solution

The fourth proportional to 127,905.95, 191,749.51 and 49,076.75 is: 73,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,905.95 : 191,749.51 = 49,076.75 : x
  2. Step 2: Convert to fraction form
    127,905.95/191,749.51 = 49,076.75/x
  3. Step 3: Cross multiply
    127,905.95x = 191,749.51 × 49,076.75
  4. Step 4: Simplify right side
    127,905.95x = 9,410,442,764.89
  5. Step 5: Solve for x
    x = 9,410,442,764.89/127,905.95
  6. Step 6: Final answer
    x = 73,573.14

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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.