Home / 113,500.62-156,629.43-62,512.34

Finding the Fourth Proportional to 113,500.62, 156,629.43 and 62,512.34

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Solution

The fourth proportional to 113,500.62, 156,629.43 and 62,512.34 is: 86,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,500.62 : 156,629.43 = 62,512.34 : x
  2. Step 2: Convert to fraction form
    113,500.62/156,629.43 = 62,512.34/x
  3. Step 3: Cross multiply
    113,500.62x = 156,629.43 × 62,512.34
  4. Step 4: Simplify right side
    113,500.62x = 9,791,271,399.02
  5. Step 5: Solve for x
    x = 9,791,271,399.02/113,500.62
  6. Step 6: Final answer
    x = 86,266.24

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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.