Home / 116,838.07-161,244.12-67,789.74

Finding the Fourth Proportional to 116,838.07, 161,244.12 and 67,789.74

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Solution

The fourth proportional to 116,838.07, 161,244.12 and 67,789.74 is: 93,554.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,838.07 : 161,244.12 = 67,789.74 : x
  2. Step 2: Convert to fraction form
    116,838.07/161,244.12 = 67,789.74/x
  3. Step 3: Cross multiply
    116,838.07x = 161,244.12 × 67,789.74
  4. Step 4: Simplify right side
    116,838.07x = 10,930,696,971.33
  5. Step 5: Solve for x
    x = 10,930,696,971.33/116,838.07
  6. Step 6: Final answer
    x = 93,554.24

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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.