Home / 82,850.40-124,032.60-74,300.04

Finding the Fourth Proportional to 82,850.40, 124,032.60 and 74,300.04

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Solution

The fourth proportional to 82,850.40, 124,032.60 and 74,300.04 is: 111,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,850.40 : 124,032.60 = 74,300.04 : x
  2. Step 2: Convert to fraction form
    82,850.40/124,032.60 = 74,300.04/x
  3. Step 3: Cross multiply
    82,850.40x = 124,032.60 × 74,300.04
  4. Step 4: Simplify right side
    82,850.40x = 9,215,627,141.30
  5. Step 5: Solve for x
    x = 9,215,627,141.30/82,850.40
  6. Step 6: Final answer
    x = 111,232.14

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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.