Home / 55,152.36-82,104.75-54,824.31

Finding the Fourth Proportional to 55,152.36, 82,104.75 and 54,824.31

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Solution

The fourth proportional to 55,152.36, 82,104.75 and 54,824.31 is: 81,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,152.36 : 82,104.75 = 54,824.31 : x
  2. Step 2: Convert to fraction form
    55,152.36/82,104.75 = 54,824.31/x
  3. Step 3: Cross multiply
    55,152.36x = 82,104.75 × 54,824.31
  4. Step 4: Simplify right side
    55,152.36x = 4,501,336,266.47
  5. Step 5: Solve for x
    x = 4,501,336,266.47/55,152.36
  6. Step 6: Final answer
    x = 81,616.39

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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.