Home / 92,022.03-138,033.26-27,980.76

Finding the Fourth Proportional to 92,022.03, 138,033.26 and 27,980.76

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Solution

The fourth proportional to 92,022.03, 138,033.26 and 27,980.76 is: 41,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,022.03 : 138,033.26 = 27,980.76 : x
  2. Step 2: Convert to fraction form
    92,022.03/138,033.26 = 27,980.76/x
  3. Step 3: Cross multiply
    92,022.03x = 138,033.26 × 27,980.76
  4. Step 4: Simplify right side
    92,022.03x = 3,862,275,520.08
  5. Step 5: Solve for x
    x = 3,862,275,520.08/92,022.03
  6. Step 6: Final answer
    x = 41,971.21

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1.5x scale

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.