Home / 76,070.88-114,147.36-36,080.64

Finding the Fourth Proportional to 76,070.88, 114,147.36 and 36,080.64

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Solution

The fourth proportional to 76,070.88, 114,147.36 and 36,080.64 is: 54,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,070.88 : 114,147.36 = 36,080.64 : x
  2. Step 2: Convert to fraction form
    76,070.88/114,147.36 = 36,080.64/x
  3. Step 3: Cross multiply
    76,070.88x = 114,147.36 × 36,080.64
  4. Step 4: Simplify right side
    76,070.88x = 4,118,509,803.11
  5. Step 5: Solve for x
    x = 4,118,509,803.11/76,070.88
  6. Step 6: Final answer
    x = 54,140.43

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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.