Home / 89,618.40-134,437.32-33,485.40

Finding the Fourth Proportional to 89,618.40, 134,437.32 and 33,485.40

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Solution

The fourth proportional to 89,618.40, 134,437.32 and 33,485.40 is: 50,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,618.40 : 134,437.32 = 33,485.40 : x
  2. Step 2: Convert to fraction form
    89,618.40/134,437.32 = 33,485.40/x
  3. Step 3: Cross multiply
    89,618.40x = 134,437.32 × 33,485.40
  4. Step 4: Simplify right side
    89,618.40x = 4,501,687,435.13
  5. Step 5: Solve for x
    x = 4,501,687,435.13/89,618.40
  6. Step 6: Final answer
    x = 50,231.73

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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.