Home / 86,414.29-119,258.82-47,659.69

Finding the Fourth Proportional to 86,414.29, 119,258.82 and 47,659.69

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Solution

The fourth proportional to 86,414.29, 119,258.82 and 47,659.69 is: 65,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,414.29 : 119,258.82 = 47,659.69 : x
  2. Step 2: Convert to fraction form
    86,414.29/119,258.82 = 47,659.69/x
  3. Step 3: Cross multiply
    86,414.29x = 119,258.82 × 47,659.69
  4. Step 4: Simplify right side
    86,414.29x = 5,683,838,390.97
  5. Step 5: Solve for x
    x = 5,683,838,390.97/86,414.29
  6. Step 6: Final answer
    x = 65,774.29

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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.