Home / 85,564.08-128,291.45-41,102.37

Finding the Fourth Proportional to 85,564.08, 128,291.45 and 41,102.37

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Solution

The fourth proportional to 85,564.08, 128,291.45 and 41,102.37 is: 61,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,564.08 : 128,291.45 = 41,102.37 : x
  2. Step 2: Convert to fraction form
    85,564.08/128,291.45 = 41,102.37/x
  3. Step 3: Cross multiply
    85,564.08x = 128,291.45 × 41,102.37
  4. Step 4: Simplify right side
    85,564.08x = 5,273,082,440.22
  5. Step 5: Solve for x
    x = 5,273,082,440.22/85,564.08
  6. Step 6: Final answer
    x = 61,627.29

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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.