Home / 52,617.44-78,542.34-45,974.36

Finding the Fourth Proportional to 52,617.44, 78,542.34 and 45,974.36

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Solution

The fourth proportional to 52,617.44, 78,542.34 and 45,974.36 is: 68,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,617.44 : 78,542.34 = 45,974.36 : x
  2. Step 2: Convert to fraction form
    52,617.44/78,542.34 = 45,974.36/x
  3. Step 3: Cross multiply
    52,617.44x = 78,542.34 × 45,974.36
  4. Step 4: Simplify right side
    52,617.44x = 3,610,933,814.40
  5. Step 5: Solve for x
    x = 3,610,933,814.40/52,617.44
  6. Step 6: Final answer
    x = 68,626.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.