Home / 119,764.95-165,272.09-66,049.95

Finding the Fourth Proportional to 119,764.95, 165,272.09 and 66,049.95

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Solution

The fourth proportional to 119,764.95, 165,272.09 and 66,049.95 is: 91,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,764.95 : 165,272.09 = 66,049.95 : x
  2. Step 2: Convert to fraction form
    119,764.95/165,272.09 = 66,049.95/x
  3. Step 3: Cross multiply
    119,764.95x = 165,272.09 × 66,049.95
  4. Step 4: Simplify right side
    119,764.95x = 10,916,212,950.65
  5. Step 5: Solve for x
    x = 10,916,212,950.65/119,764.95
  6. Step 6: Final answer
    x = 91,146.98

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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.