Home / 116,852.28-161,334-69,120.96

Finding the Fourth Proportional to 116,852.28, 161,334 and 69,120.96

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Solution

The fourth proportional to 116,852.28, 161,334 and 69,120.96 is: 95,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,852.28 : 161,334 = 69,120.96 : x
  2. Step 2: Convert to fraction form
    116,852.28/161,334 = 69,120.96/x
  3. Step 3: Cross multiply
    116,852.28x = 161,334 × 69,120.96
  4. Step 4: Simplify right side
    116,852.28x = 11,151,560,960.64
  5. Step 5: Solve for x
    x = 11,151,560,960.64/116,852.28
  6. Step 6: Final answer
    x = 95,432.98

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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.