Home / 117,118.96-175,677.94-28,372.32

Finding the Fourth Proportional to 117,118.96, 175,677.94 and 28,372.32

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Solution

The fourth proportional to 117,118.96, 175,677.94 and 28,372.32 is: 42,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,118.96 : 175,677.94 = 28,372.32 : x
  2. Step 2: Convert to fraction form
    117,118.96/175,677.94 = 28,372.32/x
  3. Step 3: Cross multiply
    117,118.96x = 175,677.94 × 28,372.32
  4. Step 4: Simplify right side
    117,118.96x = 4,984,390,659.69
  5. Step 5: Solve for x
    x = 4,984,390,659.69/117,118.96
  6. Step 6: Final answer
    x = 42,558.36

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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.