Home / 81,936.02-122,918.07-37,566.57

Finding the Fourth Proportional to 81,936.02, 122,918.07 and 37,566.57

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Solution

The fourth proportional to 81,936.02, 122,918.07 and 37,566.57 is: 56,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,936.02 : 122,918.07 = 37,566.57 : x
  2. Step 2: Convert to fraction form
    81,936.02/122,918.07 = 37,566.57/x
  3. Step 3: Cross multiply
    81,936.02x = 122,918.07 × 37,566.57
  4. Step 4: Simplify right side
    81,936.02x = 4,617,610,280.92
  5. Step 5: Solve for x
    x = 4,617,610,280.92/81,936.02
  6. Step 6: Final answer
    x = 56,356.30

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1.5x scale

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.