Home / 56,918.94-78,570.30-50,940.23

Finding the Fourth Proportional to 56,918.94, 78,570.30 and 50,940.23

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Solution

The fourth proportional to 56,918.94, 78,570.30 and 50,940.23 is: 70,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918.94 : 78,570.30 = 50,940.23 : x
  2. Step 2: Convert to fraction form
    56,918.94/78,570.30 = 50,940.23/x
  3. Step 3: Cross multiply
    56,918.94x = 78,570.30 × 50,940.23
  4. Step 4: Simplify right side
    56,918.94x = 4,002,388,760.32
  5. Step 5: Solve for x
    x = 4,002,388,760.32/56,918.94
  6. Step 6: Final answer
    x = 70,317.35

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1.5x scale

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.