Home / 113,638.03-156,821.58-62,652.79

Finding the Fourth Proportional to 113,638.03, 156,821.58 and 62,652.79

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Solution

The fourth proportional to 113,638.03, 156,821.58 and 62,652.79 is: 86,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,638.03 : 156,821.58 = 62,652.79 : x
  2. Step 2: Convert to fraction form
    113,638.03/156,821.58 = 62,652.79/x
  3. Step 3: Cross multiply
    113,638.03x = 156,821.58 × 62,652.79
  4. Step 4: Simplify right side
    113,638.03x = 9,825,309,519.21
  5. Step 5: Solve for x
    x = 9,825,309,519.21/113,638.03
  6. Step 6: Final answer
    x = 86,461.46

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1.5x scale

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.