Home / 119,761.70-165,281.00-66,051.82

Finding the Fourth Proportional to 119,761.70, 165,281.00 and 66,051.82

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Solution

The fourth proportional to 119,761.70, 165,281.00 and 66,051.82 is: 91,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,761.70 : 165,281.00 = 66,051.82 : x
  2. Step 2: Convert to fraction form
    119,761.70/165,281.00 = 66,051.82/x
  3. Step 3: Cross multiply
    119,761.70x = 165,281.00 × 66,051.82
  4. Step 4: Simplify right side
    119,761.70x = 10,917,109,704.76
  5. Step 5: Solve for x
    x = 10,917,109,704.76/119,761.70
  6. Step 6: Final answer
    x = 91,156.94

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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.