Home / 76,442.40-114,765.66-75,553.02

Finding the Fourth Proportional to 76,442.40, 114,765.66 and 75,553.02

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Solution

The fourth proportional to 76,442.40, 114,765.66 and 75,553.02 is: 113,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,442.40 : 114,765.66 = 75,553.02 : x
  2. Step 2: Convert to fraction form
    76,442.40/114,765.66 = 75,553.02/x
  3. Step 3: Cross multiply
    76,442.40x = 114,765.66 × 75,553.02
  4. Step 4: Simplify right side
    76,442.40x = 8,670,892,205.29
  5. Step 5: Solve for x
    x = 8,670,892,205.29/76,442.40
  6. Step 6: Final answer
    x = 113,430.40

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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.