Home / 112,632.40-168,986.16-37,760

Finding the Fourth Proportional to 112,632.40, 168,986.16 and 37,760

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Solution

The fourth proportional to 112,632.40, 168,986.16 and 37,760 is: 56,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,632.40 : 168,986.16 = 37,760 : x
  2. Step 2: Convert to fraction form
    112,632.40/168,986.16 = 37,760/x
  3. Step 3: Cross multiply
    112,632.40x = 168,986.16 × 37,760
  4. Step 4: Simplify right side
    112,632.40x = 6,380,917,401.60
  5. Step 5: Solve for x
    x = 6,380,917,401.60/112,632.40
  6. Step 6: Final answer
    x = 56,652.59

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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.