Home / 76,031.04-114,007.62-40,512.60

Finding the Fourth Proportional to 76,031.04, 114,007.62 and 40,512.60

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Solution

The fourth proportional to 76,031.04, 114,007.62 and 40,512.60 is: 60,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,031.04 : 114,007.62 = 40,512.60 : x
  2. Step 2: Convert to fraction form
    76,031.04/114,007.62 = 40,512.60/x
  3. Step 3: Cross multiply
    76,031.04x = 114,007.62 × 40,512.60
  4. Step 4: Simplify right side
    76,031.04x = 4,618,745,106.01
  5. Step 5: Solve for x
    x = 4,618,745,106.01/76,031.04
  6. Step 6: Final answer
    x = 60,748.15

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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.