Home / 127,845.45-191,795.87-48,959.68

Finding the Fourth Proportional to 127,845.45, 191,795.87 and 48,959.68

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Solution

The fourth proportional to 127,845.45, 191,795.87 and 48,959.68 is: 73,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,845.45 : 191,795.87 = 48,959.68 : x
  2. Step 2: Convert to fraction form
    127,845.45/191,795.87 = 48,959.68/x
  3. Step 3: Cross multiply
    127,845.45x = 191,795.87 × 48,959.68
  4. Step 4: Simplify right side
    127,845.45x = 9,390,264,420.52
  5. Step 5: Solve for x
    x = 9,390,264,420.52/127,845.45
  6. Step 6: Final answer
    x = 73,450.13

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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.