Home / 84,559.96-116,639.94-54,384.58

Finding the Fourth Proportional to 84,559.96, 116,639.94 and 54,384.58

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Solution

The fourth proportional to 84,559.96, 116,639.94 and 54,384.58 is: 75,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,559.96 : 116,639.94 = 54,384.58 : x
  2. Step 2: Convert to fraction form
    84,559.96/116,639.94 = 54,384.58/x
  3. Step 3: Cross multiply
    84,559.96x = 116,639.94 × 54,384.58
  4. Step 4: Simplify right side
    84,559.96x = 6,343,414,148.13
  5. Step 5: Solve for x
    x = 6,343,414,148.13/84,559.96
  6. Step 6: Final answer
    x = 75,016.76

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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.