Home / 77,615.26-116,325.50-33,189.77

Finding the Fourth Proportional to 77,615.26, 116,325.50 and 33,189.77

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Solution

The fourth proportional to 77,615.26, 116,325.50 and 33,189.77 is: 49,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,615.26 : 116,325.50 = 33,189.77 : x
  2. Step 2: Convert to fraction form
    77,615.26/116,325.50 = 33,189.77/x
  3. Step 3: Cross multiply
    77,615.26x = 116,325.50 × 33,189.77
  4. Step 4: Simplify right side
    77,615.26x = 3,860,816,839.46
  5. Step 5: Solve for x
    x = 3,860,816,839.46/77,615.26
  6. Step 6: Final answer
    x = 49,743.01

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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.