Home / 76,634.30-114,846.66-57,899.00

Finding the Fourth Proportional to 76,634.30, 114,846.66 and 57,899.00

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Solution

The fourth proportional to 76,634.30, 114,846.66 and 57,899.00 is: 86,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,634.30 : 114,846.66 = 57,899.00 : x
  2. Step 2: Convert to fraction form
    76,634.30/114,846.66 = 57,899.00/x
  3. Step 3: Cross multiply
    76,634.30x = 114,846.66 × 57,899.00
  4. Step 4: Simplify right side
    76,634.30x = 6,649,507,054.46
  5. Step 5: Solve for x
    x = 6,649,507,054.46/76,634.30
  6. Step 6: Final answer
    x = 86,769.33

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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.