Home / 99,403.81-137,217.24-67,592.07

Finding the Fourth Proportional to 99,403.81, 137,217.24 and 67,592.07

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Solution

The fourth proportional to 99,403.81, 137,217.24 and 67,592.07 is: 93,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,403.81 : 137,217.24 = 67,592.07 : x
  2. Step 2: Convert to fraction form
    99,403.81/137,217.24 = 67,592.07/x
  3. Step 3: Cross multiply
    99,403.81x = 137,217.24 × 67,592.07
  4. Step 4: Simplify right side
    99,403.81x = 9,274,797,291.29
  5. Step 5: Solve for x
    x = 9,274,797,291.29/99,403.81
  6. Step 6: Final answer
    x = 93,304.25

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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.