Home / 83,318.20-114,859.50-59,403.36

Finding the Fourth Proportional to 83,318.20, 114,859.50 and 59,403.36

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Solution

The fourth proportional to 83,318.20, 114,859.50 and 59,403.36 is: 81,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,318.20 : 114,859.50 = 59,403.36 : x
  2. Step 2: Convert to fraction form
    83,318.20/114,859.50 = 59,403.36/x
  3. Step 3: Cross multiply
    83,318.20x = 114,859.50 × 59,403.36
  4. Step 4: Simplify right side
    83,318.20x = 6,823,040,227.92
  5. Step 5: Solve for x
    x = 6,823,040,227.92/83,318.20
  6. Step 6: Final answer
    x = 81,891.35

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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.