Home / 124,022.40-171,148.96-67,433.28

Finding the Fourth Proportional to 124,022.40, 171,148.96 and 67,433.28

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Solution

The fourth proportional to 124,022.40, 171,148.96 and 67,433.28 is: 93,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,022.40 : 171,148.96 = 67,433.28 : x
  2. Step 2: Convert to fraction form
    124,022.40/171,148.96 = 67,433.28/x
  3. Step 3: Cross multiply
    124,022.40x = 171,148.96 × 67,433.28
  4. Step 4: Simplify right side
    124,022.40x = 11,541,135,741.39
  5. Step 5: Solve for x
    x = 11,541,135,741.39/124,022.40
  6. Step 6: Final answer
    x = 93,056.87

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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.