Home / 56,770.11-78,338.67-33,798.71

Finding the Fourth Proportional to 56,770.11, 78,338.67 and 33,798.71

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Solution

The fourth proportional to 56,770.11, 78,338.67 and 33,798.71 is: 46,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,770.11 : 78,338.67 = 33,798.71 : x
  2. Step 2: Convert to fraction form
    56,770.11/78,338.67 = 33,798.71/x
  3. Step 3: Cross multiply
    56,770.11x = 78,338.67 × 33,798.71
  4. Step 4: Simplify right side
    56,770.11x = 2,647,745,989.12
  5. Step 5: Solve for x
    x = 2,647,745,989.12/56,770.11
  6. Step 6: Final answer
    x = 46,639.79

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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.