Home / 117,598.92-162,281.07-66,610.50

Finding the Fourth Proportional to 117,598.92, 162,281.07 and 66,610.50

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Solution

The fourth proportional to 117,598.92, 162,281.07 and 66,610.50 is: 91,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,598.92 : 162,281.07 = 66,610.50 : x
  2. Step 2: Convert to fraction form
    117,598.92/162,281.07 = 66,610.50/x
  3. Step 3: Cross multiply
    117,598.92x = 162,281.07 × 66,610.50
  4. Step 4: Simplify right side
    117,598.92x = 10,809,623,213.24
  5. Step 5: Solve for x
    x = 10,809,623,213.24/117,598.92
  6. Step 6: Final answer
    x = 91,919.41

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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.