Home / 76,435.68-114,450.48-51,437.28

Finding the Fourth Proportional to 76,435.68, 114,450.48 and 51,437.28

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Solution

The fourth proportional to 76,435.68, 114,450.48 and 51,437.28 is: 77,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,435.68 : 114,450.48 = 51,437.28 : x
  2. Step 2: Convert to fraction form
    76,435.68/114,450.48 = 51,437.28/x
  3. Step 3: Cross multiply
    76,435.68x = 114,450.48 × 51,437.28
  4. Step 4: Simplify right side
    76,435.68x = 5,887,021,385.89
  5. Step 5: Solve for x
    x = 5,887,021,385.89/76,435.68
  6. Step 6: Final answer
    x = 77,019.28

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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.