Home / 117,600.92-162,283.82-66,612.50

Finding the Fourth Proportional to 117,600.92, 162,283.82 and 66,612.50

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Solution

The fourth proportional to 117,600.92, 162,283.82 and 66,612.50 is: 91,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,600.92 : 162,283.82 = 66,612.50 : x
  2. Step 2: Convert to fraction form
    117,600.92/162,283.82 = 66,612.50/x
  3. Step 3: Cross multiply
    117,600.92x = 162,283.82 × 66,612.50
  4. Step 4: Simplify right side
    117,600.92x = 10,810,130,959.75
  5. Step 5: Solve for x
    x = 10,810,130,959.75/117,600.92
  6. Step 6: Final answer
    x = 91,922.16

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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.