Home / 99,584.04-137,333.66-72,683.94

Finding the Fourth Proportional to 99,584.04, 137,333.66 and 72,683.94

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Solution

The fourth proportional to 99,584.04, 137,333.66 and 72,683.94 is: 100,236.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,584.04 : 137,333.66 = 72,683.94 : x
  2. Step 2: Convert to fraction form
    99,584.04/137,333.66 = 72,683.94/x
  3. Step 3: Cross multiply
    99,584.04x = 137,333.66 × 72,683.94
  4. Step 4: Simplify right side
    99,584.04x = 9,981,951,503.42
  5. Step 5: Solve for x
    x = 9,981,951,503.42/99,584.04
  6. Step 6: Final answer
    x = 100,236.46

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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.