Home / 54,352.12-75,006.70-40,716

Finding the Fourth Proportional to 54,352.12, 75,006.70 and 40,716

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Solution

The fourth proportional to 54,352.12, 75,006.70 and 40,716 is: 56,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,352.12 : 75,006.70 = 40,716 : x
  2. Step 2: Convert to fraction form
    54,352.12/75,006.70 = 40,716/x
  3. Step 3: Cross multiply
    54,352.12x = 75,006.70 × 40,716
  4. Step 4: Simplify right side
    54,352.12x = 3,053,972,797.20
  5. Step 5: Solve for x
    x = 3,053,972,797.20/54,352.12
  6. Step 6: Final answer
    x = 56,188.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.