Home / 117,537.30-176,331.87-38,648.34

Finding the Fourth Proportional to 117,537.30, 176,331.87 and 38,648.34

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Solution

The fourth proportional to 117,537.30, 176,331.87 and 38,648.34 is: 57,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,537.30 : 176,331.87 = 38,648.34 : x
  2. Step 2: Convert to fraction form
    117,537.30/176,331.87 = 38,648.34/x
  3. Step 3: Cross multiply
    117,537.30x = 176,331.87 × 38,648.34
  4. Step 4: Simplify right side
    117,537.30x = 6,814,934,064.60
  5. Step 5: Solve for x
    x = 6,814,934,064.60/117,537.30
  6. Step 6: Final answer
    x = 57,981.03

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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.