Home / 76,635.17-114,955.77-26,720.36

Finding the Fourth Proportional to 76,635.17, 114,955.77 and 26,720.36

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Solution

The fourth proportional to 76,635.17, 114,955.77 and 26,720.36 is: 40,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,635.17 : 114,955.77 = 26,720.36 : x
  2. Step 2: Convert to fraction form
    76,635.17/114,955.77 = 26,720.36/x
  3. Step 3: Cross multiply
    76,635.17x = 114,955.77 × 26,720.36
  4. Step 4: Simplify right side
    76,635.17x = 3,071,659,558.48
  5. Step 5: Solve for x
    x = 3,071,659,558.48/76,635.17
  6. Step 6: Final answer
    x = 40,081.59

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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.