Home / 104,747.65-144,551.79-56,999.97

Finding the Fourth Proportional to 104,747.65, 144,551.79 and 56,999.97

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Solution

The fourth proportional to 104,747.65, 144,551.79 and 56,999.97 is: 78,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,747.65 : 144,551.79 = 56,999.97 : x
  2. Step 2: Convert to fraction form
    104,747.65/144,551.79 = 56,999.97/x
  3. Step 3: Cross multiply
    104,747.65x = 144,551.79 × 56,999.97
  4. Step 4: Simplify right side
    104,747.65x = 8,239,447,693.45
  5. Step 5: Solve for x
    x = 8,239,447,693.45/104,747.65
  6. Step 6: Final answer
    x = 78,659.98

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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.