Home / 92,370.78-138,556.17-52,900.29

Finding the Fourth Proportional to 92,370.78, 138,556.17 and 52,900.29

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Solution

The fourth proportional to 92,370.78, 138,556.17 and 52,900.29 is: 79,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,370.78 : 138,556.17 = 52,900.29 : x
  2. Step 2: Convert to fraction form
    92,370.78/138,556.17 = 52,900.29/x
  3. Step 3: Cross multiply
    92,370.78x = 138,556.17 × 52,900.29
  4. Step 4: Simplify right side
    92,370.78x = 7,329,661,574.29
  5. Step 5: Solve for x
    x = 7,329,661,574.29/92,370.78
  6. Step 6: Final answer
    x = 79,350.44

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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.