Home / 82,869.60-124,304.40-27,465.60

Finding the Fourth Proportional to 82,869.60, 124,304.40 and 27,465.60

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Solution

The fourth proportional to 82,869.60, 124,304.40 and 27,465.60 is: 41,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869.60 : 124,304.40 = 27,465.60 : x
  2. Step 2: Convert to fraction form
    82,869.60/124,304.40 = 27,465.60/x
  3. Step 3: Cross multiply
    82,869.60x = 124,304.40 × 27,465.60
  4. Step 4: Simplify right side
    82,869.60x = 3,414,094,928.64
  5. Step 5: Solve for x
    x = 3,414,094,928.64/82,869.60
  6. Step 6: Final answer
    x = 41,198.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.