Home / 89,530.47-134,115.49-41,431.28

Finding the Fourth Proportional to 89,530.47, 134,115.49 and 41,431.28

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Solution

The fourth proportional to 89,530.47, 134,115.49 and 41,431.28 is: 62,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,530.47 : 134,115.49 = 41,431.28 : x
  2. Step 2: Convert to fraction form
    89,530.47/134,115.49 = 41,431.28/x
  3. Step 3: Cross multiply
    89,530.47x = 134,115.49 × 41,431.28
  4. Step 4: Simplify right side
    89,530.47x = 5,556,576,418.53
  5. Step 5: Solve for x
    x = 5,556,576,418.53/89,530.47
  6. Step 6: Final answer
    x = 62,063.52

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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.