Home / 65,644.58-98,442.55-51,631.85

Finding the Fourth Proportional to 65,644.58, 98,442.55 and 51,631.85

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Solution

The fourth proportional to 65,644.58, 98,442.55 and 51,631.85 is: 77,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,644.58 : 98,442.55 = 51,631.85 : x
  2. Step 2: Convert to fraction form
    65,644.58/98,442.55 = 51,631.85/x
  3. Step 3: Cross multiply
    65,644.58x = 98,442.55 × 51,631.85
  4. Step 4: Simplify right side
    65,644.58x = 5,082,770,975.22
  5. Step 5: Solve for x
    x = 5,082,770,975.22/65,644.58
  6. Step 6: Final answer
    x = 77,428.65

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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.