Home / 114,962.36-172,443.60-31,856.36

Finding the Fourth Proportional to 114,962.36, 172,443.60 and 31,856.36

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Solution

The fourth proportional to 114,962.36, 172,443.60 and 31,856.36 is: 47,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,962.36 : 172,443.60 = 31,856.36 : x
  2. Step 2: Convert to fraction form
    114,962.36/172,443.60 = 31,856.36/x
  3. Step 3: Cross multiply
    114,962.36x = 172,443.60 × 31,856.36
  4. Step 4: Simplify right side
    114,962.36x = 5,493,425,401.30
  5. Step 5: Solve for x
    x = 5,493,425,401.30/114,962.36
  6. Step 6: Final answer
    x = 47,784.56

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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.