Home / 54,429.15-81,646.76-16,994.39

Finding the Fourth Proportional to 54,429.15, 81,646.76 and 16,994.39

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Solution

The fourth proportional to 54,429.15, 81,646.76 and 16,994.39 is: 25,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.15 : 81,646.76 = 16,994.39 : x
  2. Step 2: Convert to fraction form
    54,429.15/81,646.76 = 16,994.39/x
  3. Step 3: Cross multiply
    54,429.15x = 81,646.76 × 16,994.39
  4. Step 4: Simplify right side
    54,429.15x = 1,387,536,881.68
  5. Step 5: Solve for x
    x = 1,387,536,881.68/54,429.15
  6. Step 6: Final answer
    x = 25,492.53

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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.