Home / 91,695.36-126,539.52-51,409.44

Finding the Fourth Proportional to 91,695.36, 126,539.52 and 51,409.44

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Solution

The fourth proportional to 91,695.36, 126,539.52 and 51,409.44 is: 70,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,695.36 : 126,539.52 = 51,409.44 : x
  2. Step 2: Convert to fraction form
    91,695.36/126,539.52 = 51,409.44/x
  3. Step 3: Cross multiply
    91,695.36x = 126,539.52 × 51,409.44
  4. Step 4: Simplify right side
    91,695.36x = 6,505,325,861.07
  5. Step 5: Solve for x
    x = 6,505,325,861.07/91,695.36
  6. Step 6: Final answer
    x = 70,944.98

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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.