Home / 96,491.49-133,079.61-67,905.86

Finding the Fourth Proportional to 96,491.49, 133,079.61 and 67,905.86

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Solution

The fourth proportional to 96,491.49, 133,079.61 and 67,905.86 is: 93,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,491.49 : 133,079.61 = 67,905.86 : x
  2. Step 2: Convert to fraction form
    96,491.49/133,079.61 = 67,905.86/x
  3. Step 3: Cross multiply
    96,491.49x = 133,079.61 × 67,905.86
  4. Step 4: Simplify right side
    96,491.49x = 9,036,885,025.99
  5. Step 5: Solve for x
    x = 9,036,885,025.99/96,491.49
  6. Step 6: Final answer
    x = 93,654.74

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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.