Home / 55,154.36-82,107.72-54,826.32

Finding the Fourth Proportional to 55,154.36, 82,107.72 and 54,826.32

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Solution

The fourth proportional to 55,154.36, 82,107.72 and 54,826.32 is: 81,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,154.36 : 82,107.72 = 54,826.32 : x
  2. Step 2: Convert to fraction form
    55,154.36/82,107.72 = 54,826.32/x
  3. Step 3: Cross multiply
    55,154.36x = 82,107.72 × 54,826.32
  4. Step 4: Simplify right side
    55,154.36x = 4,501,664,131.19
  5. Step 5: Solve for x
    x = 4,501,664,131.19/55,154.36
  6. Step 6: Final answer
    x = 81,619.37

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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.