Home / 115,021.02-158,732.57-62,636.49

Finding the Fourth Proportional to 115,021.02, 158,732.57 and 62,636.49

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Solution

The fourth proportional to 115,021.02, 158,732.57 and 62,636.49 is: 86,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,021.02 : 158,732.57 = 62,636.49 : x
  2. Step 2: Convert to fraction form
    115,021.02/158,732.57 = 62,636.49/x
  3. Step 3: Cross multiply
    115,021.02x = 158,732.57 × 62,636.49
  4. Step 4: Simplify right side
    115,021.02x = 9,942,450,720.30
  5. Step 5: Solve for x
    x = 9,942,450,720.30/115,021.02
  6. Step 6: Final answer
    x = 86,440.29

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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.