Home / 104,736.98-144,538.77-56,990.57

Finding the Fourth Proportional to 104,736.98, 144,538.77 and 56,990.57

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Solution

The fourth proportional to 104,736.98, 144,538.77 and 56,990.57 is: 78,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,736.98 : 144,538.77 = 56,990.57 : x
  2. Step 2: Convert to fraction form
    104,736.98/144,538.77 = 56,990.57/x
  3. Step 3: Cross multiply
    104,736.98x = 144,538.77 × 56,990.57
  4. Step 4: Simplify right side
    104,736.98x = 8,237,347,037.03
  5. Step 5: Solve for x
    x = 8,237,347,037.03/104,736.98
  6. Step 6: Final answer
    x = 78,647.93

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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.