Home / 119,837.81-165,377.06-66,124.82

Finding the Fourth Proportional to 119,837.81, 165,377.06 and 66,124.82

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Solution

The fourth proportional to 119,837.81, 165,377.06 and 66,124.82 is: 91,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,837.81 : 165,377.06 = 66,124.82 : x
  2. Step 2: Convert to fraction form
    119,837.81/165,377.06 = 66,124.82/x
  3. Step 3: Cross multiply
    119,837.81x = 165,377.06 × 66,124.82
  4. Step 4: Simplify right side
    119,837.81x = 10,935,527,167.12
  5. Step 5: Solve for x
    x = 10,935,527,167.12/119,837.81
  6. Step 6: Final answer
    x = 91,252.73

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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.