Home / 119,743.73-165,247.50-66,030.65

Finding the Fourth Proportional to 119,743.73, 165,247.50 and 66,030.65

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Solution

The fourth proportional to 119,743.73, 165,247.50 and 66,030.65 is: 91,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,743.73 : 165,247.50 = 66,030.65 : x
  2. Step 2: Convert to fraction form
    119,743.73/165,247.50 = 66,030.65/x
  3. Step 3: Cross multiply
    119,743.73x = 165,247.50 × 66,030.65
  4. Step 4: Simplify right side
    119,743.73x = 10,911,399,835.88
  5. Step 5: Solve for x
    x = 10,911,399,835.88/119,743.73
  6. Step 6: Final answer
    x = 91,122.93

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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.