Home / 86,771.52-119,755.20-49,045.44

Finding the Fourth Proportional to 86,771.52, 119,755.20 and 49,045.44

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Solution

The fourth proportional to 86,771.52, 119,755.20 and 49,045.44 is: 67,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,771.52 : 119,755.20 = 49,045.44 : x
  2. Step 2: Convert to fraction form
    86,771.52/119,755.20 = 49,045.44/x
  3. Step 3: Cross multiply
    86,771.52x = 119,755.20 × 49,045.44
  4. Step 4: Simplify right side
    86,771.52x = 5,873,446,476.29
  5. Step 5: Solve for x
    x = 5,873,446,476.29/86,771.52
  6. Step 6: Final answer
    x = 67,688.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.