Home / 54,368.45-81,716.70-47,151.35

Finding the Fourth Proportional to 54,368.45, 81,716.70 and 47,151.35

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Solution

The fourth proportional to 54,368.45, 81,716.70 and 47,151.35 is: 70,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,368.45 : 81,716.70 = 47,151.35 : x
  2. Step 2: Convert to fraction form
    54,368.45/81,716.70 = 47,151.35/x
  3. Step 3: Cross multiply
    54,368.45x = 81,716.70 × 47,151.35
  4. Step 4: Simplify right side
    54,368.45x = 3,853,052,722.55
  5. Step 5: Solve for x
    x = 3,853,052,722.55/54,368.45
  6. Step 6: Final answer
    x = 70,869.28

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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.