Home / 47,170.12-70,757.72-12,110.08

Finding the Fourth Proportional to 47,170.12, 70,757.72 and 12,110.08

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Solution

The fourth proportional to 47,170.12, 70,757.72 and 12,110.08 is: 18,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,170.12 : 70,757.72 = 12,110.08 : x
  2. Step 2: Convert to fraction form
    47,170.12/70,757.72 = 12,110.08/x
  3. Step 3: Cross multiply
    47,170.12x = 70,757.72 × 12,110.08
  4. Step 4: Simplify right side
    47,170.12x = 856,881,649.82
  5. Step 5: Solve for x
    x = 856,881,649.82/47,170.12
  6. Step 6: Final answer
    x = 18,165.77

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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.