Home / 55,084.32-76,016.88-32,724

Finding the Fourth Proportional to 55,084.32, 76,016.88 and 32,724

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Solution

The fourth proportional to 55,084.32, 76,016.88 and 32,724 is: 45,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,084.32 : 76,016.88 = 32,724 : x
  2. Step 2: Convert to fraction form
    55,084.32/76,016.88 = 32,724/x
  3. Step 3: Cross multiply
    55,084.32x = 76,016.88 × 32,724
  4. Step 4: Simplify right side
    55,084.32x = 2,487,576,381.12
  5. Step 5: Solve for x
    x = 2,487,576,381.12/55,084.32
  6. Step 6: Final answer
    x = 45,159.43

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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.