Home / 55,602.98-76,732.26-30,109.64

Finding the Fourth Proportional to 55,602.98, 76,732.26 and 30,109.64

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Solution

The fourth proportional to 55,602.98, 76,732.26 and 30,109.64 is: 41,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602.98 : 76,732.26 = 30,109.64 : x
  2. Step 2: Convert to fraction form
    55,602.98/76,732.26 = 30,109.64/x
  3. Step 3: Cross multiply
    55,602.98x = 76,732.26 × 30,109.64
  4. Step 4: Simplify right side
    55,602.98x = 2,310,380,724.99
  5. Step 5: Solve for x
    x = 2,310,380,724.99/55,602.98
  6. Step 6: Final answer
    x = 41,551.39

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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.