Home / 104,766.35-144,577.61-57,020.02

Finding the Fourth Proportional to 104,766.35, 144,577.61 and 57,020.02

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Solution

The fourth proportional to 104,766.35, 144,577.61 and 57,020.02 is: 78,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,766.35 : 144,577.61 = 57,020.02 : x
  2. Step 2: Convert to fraction form
    104,766.35/144,577.61 = 57,020.02/x
  3. Step 3: Cross multiply
    104,766.35x = 144,577.61 × 57,020.02
  4. Step 4: Simplify right side
    104,766.35x = 8,243,817,781.03
  5. Step 5: Solve for x
    x = 8,243,817,781.03/104,766.35
  6. Step 6: Final answer
    x = 78,687.65

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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.