Home / 81,672.02-122,482.10-26,255.06

Finding the Fourth Proportional to 81,672.02, 122,482.10 and 26,255.06

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Solution

The fourth proportional to 81,672.02, 122,482.10 and 26,255.06 is: 39,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,672.02 : 122,482.10 = 26,255.06 : x
  2. Step 2: Convert to fraction form
    81,672.02/122,482.10 = 26,255.06/x
  3. Step 3: Cross multiply
    81,672.02x = 122,482.10 × 26,255.06
  4. Step 4: Simplify right side
    81,672.02x = 3,215,774,884.43
  5. Step 5: Solve for x
    x = 3,215,774,884.43/81,672.02
  6. Step 6: Final answer
    x = 39,374.25

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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.