Home / 54,661.10-81,991.67-42,199.34

Finding the Fourth Proportional to 54,661.10, 81,991.67 and 42,199.34

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Solution

The fourth proportional to 54,661.10, 81,991.67 and 42,199.34 is: 63,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,661.10 : 81,991.67 = 42,199.34 : x
  2. Step 2: Convert to fraction form
    54,661.10/81,991.67 = 42,199.34/x
  3. Step 3: Cross multiply
    54,661.10x = 81,991.67 × 42,199.34
  4. Step 4: Simplify right side
    54,661.10x = 3,459,993,738.54
  5. Step 5: Solve for x
    x = 3,459,993,738.54/54,661.10
  6. Step 6: Final answer
    x = 63,299.02

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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.