Home / 82,972.60-124,442.70-27,568.60

Finding the Fourth Proportional to 82,972.60, 124,442.70 and 27,568.60

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Solution

The fourth proportional to 82,972.60, 124,442.70 and 27,568.60 is: 41,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,972.60 : 124,442.70 = 27,568.60 : x
  2. Step 2: Convert to fraction form
    82,972.60/124,442.70 = 27,568.60/x
  3. Step 3: Cross multiply
    82,972.60x = 124,442.70 × 27,568.60
  4. Step 4: Simplify right side
    82,972.60x = 3,430,711,019.22
  5. Step 5: Solve for x
    x = 3,430,711,019.22/82,972.60
  6. Step 6: Final answer
    x = 41,347.52

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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.