Home / 116,725.73-161,087.50-71,389.49

Finding the Fourth Proportional to 116,725.73, 161,087.50 and 71,389.49

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Solution

The fourth proportional to 116,725.73, 161,087.50 and 71,389.49 is: 98,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,725.73 : 161,087.50 = 71,389.49 : x
  2. Step 2: Convert to fraction form
    116,725.73/161,087.50 = 71,389.49/x
  3. Step 3: Cross multiply
    116,725.73x = 161,087.50 × 71,389.49
  4. Step 4: Simplify right side
    116,725.73x = 11,499,954,470.38
  5. Step 5: Solve for x
    x = 11,499,954,470.38/116,725.73
  6. Step 6: Final answer
    x = 98,521.16

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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.