Home / 105,051.58-144,972.22-57,305.92

Finding the Fourth Proportional to 105,051.58, 144,972.22 and 57,305.92

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Solution

The fourth proportional to 105,051.58, 144,972.22 and 57,305.92 is: 79,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,051.58 : 144,972.22 = 57,305.92 : x
  2. Step 2: Convert to fraction form
    105,051.58/144,972.22 = 57,305.92/x
  3. Step 3: Cross multiply
    105,051.58x = 144,972.22 × 57,305.92
  4. Step 4: Simplify right side
    105,051.58x = 8,307,766,441.54
  5. Step 5: Solve for x
    x = 8,307,766,441.54/105,051.58
  6. Step 6: Final answer
    x = 79,082.74

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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.