Home / 92,556.29-138,816.78-45,123.77

Finding the Fourth Proportional to 92,556.29, 138,816.78 and 45,123.77

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Solution

The fourth proportional to 92,556.29, 138,816.78 and 45,123.77 is: 67,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,556.29 : 138,816.78 = 45,123.77 : x
  2. Step 2: Convert to fraction form
    92,556.29/138,816.78 = 45,123.77/x
  3. Step 3: Cross multiply
    92,556.29x = 138,816.78 × 45,123.77
  4. Step 4: Simplify right side
    92,556.29x = 6,263,936,452.86
  5. Step 5: Solve for x
    x = 6,263,936,452.86/92,556.29
  6. Step 6: Final answer
    x = 67,677.05

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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.