Home / 127,889.12-191,756.42-50,963.95

Finding the Fourth Proportional to 127,889.12, 191,756.42 and 50,963.95

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Solution

The fourth proportional to 127,889.12, 191,756.42 and 50,963.95 is: 76,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,889.12 : 191,756.42 = 50,963.95 : x
  2. Step 2: Convert to fraction form
    127,889.12/191,756.42 = 50,963.95/x
  3. Step 3: Cross multiply
    127,889.12x = 191,756.42 × 50,963.95
  4. Step 4: Simplify right side
    127,889.12x = 9,772,664,346.24
  5. Step 5: Solve for x
    x = 9,772,664,346.24/127,889.12
  6. Step 6: Final answer
    x = 76,415.13

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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.