Home / 77,685.22-116,503.13-25,082.47

Finding the Fourth Proportional to 77,685.22, 116,503.13 and 25,082.47

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Solution

The fourth proportional to 77,685.22, 116,503.13 and 25,082.47 is: 37,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,685.22 : 116,503.13 = 25,082.47 : x
  2. Step 2: Convert to fraction form
    77,685.22/116,503.13 = 25,082.47/x
  3. Step 3: Cross multiply
    77,685.22x = 116,503.13 × 25,082.47
  4. Step 4: Simplify right side
    77,685.22x = 2,922,186,137.72
  5. Step 5: Solve for x
    x = 2,922,186,137.72/77,685.22
  6. Step 6: Final answer
    x = 37,615.73

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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.