Home / 76,960.04-115,451.60-27,031.34

Finding the Fourth Proportional to 76,960.04, 115,451.60 and 27,031.34

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Solution

The fourth proportional to 76,960.04, 115,451.60 and 27,031.34 is: 40,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,960.04 : 115,451.60 = 27,031.34 : x
  2. Step 2: Convert to fraction form
    76,960.04/115,451.60 = 27,031.34/x
  3. Step 3: Cross multiply
    76,960.04x = 115,451.60 × 27,031.34
  4. Step 4: Simplify right side
    76,960.04x = 3,120,810,875.89
  5. Step 5: Solve for x
    x = 3,120,810,875.89/76,960.04
  6. Step 6: Final answer
    x = 40,551.06

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1.5x scale

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.