Home / 47,150.88-70,730.57-12,090.84

Finding the Fourth Proportional to 47,150.88, 70,730.57 and 12,090.84

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Solution

The fourth proportional to 47,150.88, 70,730.57 and 12,090.84 is: 18,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,150.88 : 70,730.57 = 12,090.84 : x
  2. Step 2: Convert to fraction form
    47,150.88/70,730.57 = 12,090.84/x
  3. Step 3: Cross multiply
    47,150.88x = 70,730.57 × 12,090.84
  4. Step 4: Simplify right side
    47,150.88x = 855,192,004.98
  5. Step 5: Solve for x
    x = 855,192,004.98/47,150.88
  6. Step 6: Final answer
    x = 18,137.35

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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.