Home / 104,739.98-144,538.81-56,993.46

Finding the Fourth Proportional to 104,739.98, 144,538.81 and 56,993.46

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Solution

The fourth proportional to 104,739.98, 144,538.81 and 56,993.46 is: 78,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,739.98 : 144,538.81 = 56,993.46 : x
  2. Step 2: Convert to fraction form
    104,739.98/144,538.81 = 56,993.46/x
  3. Step 3: Cross multiply
    104,739.98x = 144,538.81 × 56,993.46
  4. Step 4: Simplify right side
    104,739.98x = 8,237,766,886.18
  5. Step 5: Solve for x
    x = 8,237,766,886.18/104,739.98
  6. Step 6: Final answer
    x = 78,649.69

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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.