Home / 83,561.16-125,265-36,146.64

Finding the Fourth Proportional to 83,561.16, 125,265 and 36,146.64

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Solution

The fourth proportional to 83,561.16, 125,265 and 36,146.64 is: 54,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,561.16 : 125,265 = 36,146.64 : x
  2. Step 2: Convert to fraction form
    83,561.16/125,265 = 36,146.64/x
  3. Step 3: Cross multiply
    83,561.16x = 125,265 × 36,146.64
  4. Step 4: Simplify right side
    83,561.16x = 4,527,908,859.60
  5. Step 5: Solve for x
    x = 4,527,908,859.60/83,561.16
  6. Step 6: Final answer
    x = 54,186.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.