Home / 113,568.12-156,622.14-71,130.60

Finding the Fourth Proportional to 113,568.12, 156,622.14 and 71,130.60

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Solution

The fourth proportional to 113,568.12, 156,622.14 and 71,130.60 is: 98,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,568.12 : 156,622.14 = 71,130.60 : x
  2. Step 2: Convert to fraction form
    113,568.12/156,622.14 = 71,130.60/x
  3. Step 3: Cross multiply
    113,568.12x = 156,622.14 × 71,130.60
  4. Step 4: Simplify right side
    113,568.12x = 11,140,626,791.48
  5. Step 5: Solve for x
    x = 11,140,626,791.48/113,568.12
  6. Step 6: Final answer
    x = 98,096.43

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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.