Home / 75,065.26-112,613.94-27,680.48

Finding the Fourth Proportional to 75,065.26, 112,613.94 and 27,680.48

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Solution

The fourth proportional to 75,065.26, 112,613.94 and 27,680.48 is: 41,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,065.26 : 112,613.94 = 27,680.48 : x
  2. Step 2: Convert to fraction form
    75,065.26/112,613.94 = 27,680.48/x
  3. Step 3: Cross multiply
    75,065.26x = 112,613.94 × 27,680.48
  4. Step 4: Simplify right side
    75,065.26x = 3,117,207,913.89
  5. Step 5: Solve for x
    x = 3,117,207,913.89/75,065.26
  6. Step 6: Final answer
    x = 41,526.64

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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.