Home / 77,240.54-106,588.99-43,245.85

Finding the Fourth Proportional to 77,240.54, 106,588.99 and 43,245.85

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Solution

The fourth proportional to 77,240.54, 106,588.99 and 43,245.85 is: 59,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,240.54 : 106,588.99 = 43,245.85 : x
  2. Step 2: Convert to fraction form
    77,240.54/106,588.99 = 43,245.85/x
  3. Step 3: Cross multiply
    77,240.54x = 106,588.99 × 43,245.85
  4. Step 4: Simplify right side
    77,240.54x = 4,609,531,339.00
  5. Step 5: Solve for x
    x = 4,609,531,339.00/77,240.54
  6. Step 6: Final answer
    x = 59,677.62

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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.