Home / 117,021.96-175,545.30-38,142.36

Finding the Fourth Proportional to 117,021.96, 175,545.30 and 38,142.36

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Solution

The fourth proportional to 117,021.96, 175,545.30 and 38,142.36 is: 57,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,021.96 : 175,545.30 = 38,142.36 : x
  2. Step 2: Convert to fraction form
    117,021.96/175,545.30 = 38,142.36/x
  3. Step 3: Cross multiply
    117,021.96x = 175,545.30 × 38,142.36
  4. Step 4: Simplify right side
    117,021.96x = 6,695,712,028.91
  5. Step 5: Solve for x
    x = 6,695,712,028.91/117,021.96
  6. Step 6: Final answer
    x = 57,217.57

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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.