Home / 54,711.12-82,066.70-42,249.36

Finding the Fourth Proportional to 54,711.12, 82,066.70 and 42,249.36

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Solution

The fourth proportional to 54,711.12, 82,066.70 and 42,249.36 is: 63,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,711.12 : 82,066.70 = 42,249.36 : x
  2. Step 2: Convert to fraction form
    54,711.12/82,066.70 = 42,249.36/x
  3. Step 3: Cross multiply
    54,711.12x = 82,066.70 × 42,249.36
  4. Step 4: Simplify right side
    54,711.12x = 3,467,265,552.31
  5. Step 5: Solve for x
    x = 3,467,265,552.31/54,711.12
  6. Step 6: Final answer
    x = 63,374.06

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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.