Home / 76,271.21-114,405.59-23,680.75

Finding the Fourth Proportional to 76,271.21, 114,405.59 and 23,680.75

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Solution

The fourth proportional to 76,271.21, 114,405.59 and 23,680.75 is: 35,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,271.21 : 114,405.59 = 23,680.75 : x
  2. Step 2: Convert to fraction form
    76,271.21/114,405.59 = 23,680.75/x
  3. Step 3: Cross multiply
    76,271.21x = 114,405.59 × 23,680.75
  4. Step 4: Simplify right side
    76,271.21x = 2,709,209,948.58
  5. Step 5: Solve for x
    x = 2,709,209,948.58/76,271.21
  6. Step 6: Final answer
    x = 35,520.74

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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.