Home / 83,812.28-115,656.12-46,086.56

Finding the Fourth Proportional to 83,812.28, 115,656.12 and 46,086.56

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Solution

The fourth proportional to 83,812.28, 115,656.12 and 46,086.56 is: 63,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,812.28 : 115,656.12 = 46,086.56 : x
  2. Step 2: Convert to fraction form
    83,812.28/115,656.12 = 46,086.56/x
  3. Step 3: Cross multiply
    83,812.28x = 115,656.12 × 46,086.56
  4. Step 4: Simplify right side
    83,812.28x = 5,330,192,713.75
  5. Step 5: Solve for x
    x = 5,330,192,713.75/83,812.28
  6. Step 6: Final answer
    x = 63,596.80

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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.