Home / 81,674.02-122,485.10-26,257.06

Finding the Fourth Proportional to 81,674.02, 122,485.10 and 26,257.06

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Solution

The fourth proportional to 81,674.02, 122,485.10 and 26,257.06 is: 39,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,674.02 : 122,485.10 = 26,257.06 : x
  2. Step 2: Convert to fraction form
    81,674.02/122,485.10 = 26,257.06/x
  3. Step 3: Cross multiply
    81,674.02x = 122,485.10 × 26,257.06
  4. Step 4: Simplify right side
    81,674.02x = 3,216,098,619.81
  5. Step 5: Solve for x
    x = 3,216,098,619.81/81,674.02
  6. Step 6: Final answer
    x = 39,377.25

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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.