Home / 54,662.10-81,993.17-42,200.34

Finding the Fourth Proportional to 54,662.10, 81,993.17 and 42,200.34

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Solution

The fourth proportional to 54,662.10, 81,993.17 and 42,200.34 is: 63,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,662.10 : 81,993.17 = 42,200.34 : x
  2. Step 2: Convert to fraction form
    54,662.10/81,993.17 = 42,200.34/x
  3. Step 3: Cross multiply
    54,662.10x = 81,993.17 × 42,200.34
  4. Step 4: Simplify right side
    54,662.10x = 3,460,139,651.68
  5. Step 5: Solve for x
    x = 3,460,139,651.68/54,662.10
  6. Step 6: Final answer
    x = 63,300.53

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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.