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Finding the Fourth Proportional to 96,958.52, 133,804.68 and 56,673.98

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Solution

The fourth proportional to 96,958.52, 133,804.68 and 56,673.98 is: 78,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,958.52 : 133,804.68 = 56,673.98 : x
  2. Step 2: Convert to fraction form
    96,958.52/133,804.68 = 56,673.98/x
  3. Step 3: Cross multiply
    96,958.52x = 133,804.68 × 56,673.98
  4. Step 4: Simplify right side
    96,958.52x = 7,583,243,758.23
  5. Step 5: Solve for x
    x = 7,583,243,758.23/96,958.52
  6. Step 6: Final answer
    x = 78,211.22

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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.