Home / 104,561.25-144,295.20-56,814.59

Finding the Fourth Proportional to 104,561.25, 144,295.20 and 56,814.59

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Solution

The fourth proportional to 104,561.25, 144,295.20 and 56,814.59 is: 78,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,561.25 : 144,295.20 = 56,814.59 : x
  2. Step 2: Convert to fraction form
    104,561.25/144,295.20 = 56,814.59/x
  3. Step 3: Cross multiply
    104,561.25x = 144,295.20 × 56,814.59
  4. Step 4: Simplify right side
    104,561.25x = 8,198,071,905.49
  5. Step 5: Solve for x
    x = 8,198,071,905.49/104,561.25
  6. Step 6: Final answer
    x = 78,404.49

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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.