Home / 76,370.76-114,534-31,996.26

Finding the Fourth Proportional to 76,370.76, 114,534 and 31,996.26

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Solution

The fourth proportional to 76,370.76, 114,534 and 31,996.26 is: 47,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,370.76 : 114,534 = 31,996.26 : x
  2. Step 2: Convert to fraction form
    76,370.76/114,534 = 31,996.26/x
  3. Step 3: Cross multiply
    76,370.76x = 114,534 × 31,996.26
  4. Step 4: Simplify right side
    76,370.76x = 3,664,659,642.84
  5. Step 5: Solve for x
    x = 3,664,659,642.84/76,370.76
  6. Step 6: Final answer
    x = 47,985.11

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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.