Home / 127,839.38-191,786.74-48,953.60

Finding the Fourth Proportional to 127,839.38, 191,786.74 and 48,953.60

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Solution

The fourth proportional to 127,839.38, 191,786.74 and 48,953.60 is: 73,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,839.38 : 191,786.74 = 48,953.60 : x
  2. Step 2: Convert to fraction form
    127,839.38/191,786.74 = 48,953.60/x
  3. Step 3: Cross multiply
    127,839.38x = 191,786.74 × 48,953.60
  4. Step 4: Simplify right side
    127,839.38x = 9,388,651,807.91
  5. Step 5: Solve for x
    x = 9,388,651,807.91/127,839.38
  6. Step 6: Final answer
    x = 73,441.00

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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.