Home / 89,059.06-133,375.29-64,979.38

Finding the Fourth Proportional to 89,059.06, 133,375.29 and 64,979.38

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Solution

The fourth proportional to 89,059.06, 133,375.29 and 64,979.38 is: 97,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,059.06 : 133,375.29 = 64,979.38 : x
  2. Step 2: Convert to fraction form
    89,059.06/133,375.29 = 64,979.38/x
  3. Step 3: Cross multiply
    89,059.06x = 133,375.29 × 64,979.38
  4. Step 4: Simplify right side
    89,059.06x = 8,666,643,651.52
  5. Step 5: Solve for x
    x = 8,666,643,651.52/89,059.06
  6. Step 6: Final answer
    x = 97,313.44

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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.