Home / 84,685.12-116,863.68-46,958.56

Finding the Fourth Proportional to 84,685.12, 116,863.68 and 46,958.56

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Solution

The fourth proportional to 84,685.12, 116,863.68 and 46,958.56 is: 64,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685.12 : 116,863.68 = 46,958.56 : x
  2. Step 2: Convert to fraction form
    84,685.12/116,863.68 = 46,958.56/x
  3. Step 3: Cross multiply
    84,685.12x = 116,863.68 × 46,958.56
  4. Step 4: Simplify right side
    84,685.12x = 5,487,750,129.10
  5. Step 5: Solve for x
    x = 5,487,750,129.10/84,685.12
  6. Step 6: Final answer
    x = 64,801.82

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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.