Home / 89,884.48-134,855.84-43,140.96

Finding the Fourth Proportional to 89,884.48, 134,855.84 and 43,140.96

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Solution

The fourth proportional to 89,884.48, 134,855.84 and 43,140.96 is: 64,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,884.48 : 134,855.84 = 43,140.96 : x
  2. Step 2: Convert to fraction form
    89,884.48/134,855.84 = 43,140.96/x
  3. Step 3: Cross multiply
    89,884.48x = 134,855.84 × 43,140.96
  4. Step 4: Simplify right side
    89,884.48x = 5,817,810,399.21
  5. Step 5: Solve for x
    x = 5,817,810,399.21/89,884.48
  6. Step 6: Final answer
    x = 64,725.42

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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.