Home / 91,334.62-125,959.88-76,071.84

Finding the Fourth Proportional to 91,334.62, 125,959.88 and 76,071.84

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Solution

The fourth proportional to 91,334.62, 125,959.88 and 76,071.84 is: 104,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,334.62 : 125,959.88 = 76,071.84 : x
  2. Step 2: Convert to fraction form
    91,334.62/125,959.88 = 76,071.84/x
  3. Step 3: Cross multiply
    91,334.62x = 125,959.88 × 76,071.84
  4. Step 4: Simplify right side
    91,334.62x = 9,581,999,837.78
  5. Step 5: Solve for x
    x = 9,581,999,837.78/91,334.62
  6. Step 6: Final answer
    x = 104,910.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.