Home / 116,726.68-161,083.56-66,425.68

Finding the Fourth Proportional to 116,726.68, 161,083.56 and 66,425.68

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Solution

The fourth proportional to 116,726.68, 161,083.56 and 66,425.68 is: 91,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,726.68 : 161,083.56 = 66,425.68 : x
  2. Step 2: Convert to fraction form
    116,726.68/161,083.56 = 66,425.68/x
  3. Step 3: Cross multiply
    116,726.68x = 161,083.56 × 66,425.68
  4. Step 4: Simplify right side
    116,726.68x = 10,700,085,009.82
  5. Step 5: Solve for x
    x = 10,700,085,009.82/116,726.68
  6. Step 6: Final answer
    x = 91,667.86

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1.5x scale

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.