Home / 83,634.84-115,412.58-45,906.66

Finding the Fourth Proportional to 83,634.84, 115,412.58 and 45,906.66

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Solution

The fourth proportional to 83,634.84, 115,412.58 and 45,906.66 is: 63,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,634.84 : 115,412.58 = 45,906.66 : x
  2. Step 2: Convert to fraction form
    83,634.84/115,412.58 = 45,906.66/x
  3. Step 3: Cross multiply
    83,634.84x = 115,412.58 × 45,906.66
  4. Step 4: Simplify right side
    83,634.84x = 5,298,206,069.78
  5. Step 5: Solve for x
    x = 5,298,206,069.78/83,634.84
  6. Step 6: Final answer
    x = 63,349.27

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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.