Home / 89,004.39-133,414.31-55,647.86

Finding the Fourth Proportional to 89,004.39, 133,414.31 and 55,647.86

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Solution

The fourth proportional to 89,004.39, 133,414.31 and 55,647.86 is: 83,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,004.39 : 133,414.31 = 55,647.86 : x
  2. Step 2: Convert to fraction form
    89,004.39/133,414.31 = 55,647.86/x
  3. Step 3: Cross multiply
    89,004.39x = 133,414.31 × 55,647.86
  4. Step 4: Simplify right side
    89,004.39x = 7,424,220,754.36
  5. Step 5: Solve for x
    x = 7,424,220,754.36/89,004.39
  6. Step 6: Final answer
    x = 83,414.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.