Home / 141,087.55-211,629-56,845.66

Finding the Fourth Proportional to 141,087.55, 211,629 and 56,845.66

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Solution

The fourth proportional to 141,087.55, 211,629 and 56,845.66 is: 85,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,087.55 : 211,629 = 56,845.66 : x
  2. Step 2: Convert to fraction form
    141,087.55/211,629 = 56,845.66/x
  3. Step 3: Cross multiply
    141,087.55x = 211,629 × 56,845.66
  4. Step 4: Simplify right side
    141,087.55x = 12,030,190,180.14
  5. Step 5: Solve for x
    x = 12,030,190,180.14/141,087.55
  6. Step 6: Final answer
    x = 85,267.55

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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.