Home / 117,952.08-162,788.76-67,650

Finding the Fourth Proportional to 117,952.08, 162,788.76 and 67,650

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Solution

The fourth proportional to 117,952.08, 162,788.76 and 67,650 is: 93,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,952.08 : 162,788.76 = 67,650 : x
  2. Step 2: Convert to fraction form
    117,952.08/162,788.76 = 67,650/x
  3. Step 3: Cross multiply
    117,952.08x = 162,788.76 × 67,650
  4. Step 4: Simplify right side
    117,952.08x = 11,012,659,614
  5. Step 5: Solve for x
    x = 11,012,659,614/117,952.08
  6. Step 6: Final answer
    x = 93,365.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.