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Finding the Fourth Proportional to 91,865.52, 126,764.63 and 51,583.68

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Solution

The fourth proportional to 91,865.52, 126,764.63 and 51,583.68 is: 71,179.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,865.52 : 126,764.63 = 51,583.68 : x
  2. Step 2: Convert to fraction form
    91,865.52/126,764.63 = 51,583.68/x
  3. Step 3: Cross multiply
    91,865.52x = 126,764.63 × 51,583.68
  4. Step 4: Simplify right side
    91,865.52x = 6,538,985,851.32
  5. Step 5: Solve for x
    x = 6,538,985,851.32/91,865.52
  6. Step 6: Final answer
    x = 71,179.98

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