Home / 86,612.44-129,869.04-26,625.32

Finding the Fourth Proportional to 86,612.44, 129,869.04 and 26,625.32

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Solution

The fourth proportional to 86,612.44, 129,869.04 and 26,625.32 is: 39,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,612.44 : 129,869.04 = 26,625.32 : x
  2. Step 2: Convert to fraction form
    86,612.44/129,869.04 = 26,625.32/x
  3. Step 3: Cross multiply
    86,612.44x = 129,869.04 × 26,625.32
  4. Step 4: Simplify right side
    86,612.44x = 3,457,804,748.09
  5. Step 5: Solve for x
    x = 3,457,804,748.09/86,612.44
  6. Step 6: Final answer
    x = 39,922.73

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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.