Home / 76,121.40-114,185.34-23,531.88

Finding the Fourth Proportional to 76,121.40, 114,185.34 and 23,531.88

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Solution

The fourth proportional to 76,121.40, 114,185.34 and 23,531.88 is: 35,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121.40 : 114,185.34 = 23,531.88 : x
  2. Step 2: Convert to fraction form
    76,121.40/114,185.34 = 23,531.88/x
  3. Step 3: Cross multiply
    76,121.40x = 114,185.34 × 23,531.88
  4. Step 4: Simplify right side
    76,121.40x = 2,686,995,718.64
  5. Step 5: Solve for x
    x = 2,686,995,718.64/76,121.40
  6. Step 6: Final answer
    x = 35,298.82

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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.