Home / 127,491.42-175,942.44-70,133.16

Finding the Fourth Proportional to 127,491.42, 175,942.44 and 70,133.16

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Solution

The fourth proportional to 127,491.42, 175,942.44 and 70,133.16 is: 96,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,491.42 : 175,942.44 = 70,133.16 : x
  2. Step 2: Convert to fraction form
    127,491.42/175,942.44 = 70,133.16/x
  3. Step 3: Cross multiply
    127,491.42x = 175,942.44 × 70,133.16
  4. Step 4: Simplify right side
    127,491.42x = 12,339,399,295.31
  5. Step 5: Solve for x
    x = 12,339,399,295.31/127,491.42
  6. Step 6: Final answer
    x = 96,786.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.