Home / 104,664.29-144,437.87-56,917.64

Finding the Fourth Proportional to 104,664.29, 144,437.87 and 56,917.64

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Solution

The fourth proportional to 104,664.29, 144,437.87 and 56,917.64 is: 78,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,664.29 : 144,437.87 = 56,917.64 : x
  2. Step 2: Convert to fraction form
    104,664.29/144,437.87 = 56,917.64/x
  3. Step 3: Cross multiply
    104,664.29x = 144,437.87 × 56,917.64
  4. Step 4: Simplify right side
    104,664.29x = 8,221,063,190.42
  5. Step 5: Solve for x
    x = 8,221,063,190.42/104,664.29
  6. Step 6: Final answer
    x = 78,546.98

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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.