Home / 117,119.23-175,678.27-28,372.75

Finding the Fourth Proportional to 117,119.23, 175,678.27 and 28,372.75

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Solution

The fourth proportional to 117,119.23, 175,678.27 and 28,372.75 is: 42,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,119.23 : 175,678.27 = 28,372.75 : x
  2. Step 2: Convert to fraction form
    117,119.23/175,678.27 = 28,372.75/x
  3. Step 3: Cross multiply
    117,119.23x = 175,678.27 × 28,372.75
  4. Step 4: Simplify right side
    117,119.23x = 4,984,475,125.01
  5. Step 5: Solve for x
    x = 4,984,475,125.01/117,119.23
  6. Step 6: Final answer
    x = 42,558.98

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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.