Home / 113,742.40-156,964.07-62,758.30

Finding the Fourth Proportional to 113,742.40, 156,964.07 and 62,758.30

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Solution

The fourth proportional to 113,742.40, 156,964.07 and 62,758.30 is: 86,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,742.40 : 156,964.07 = 62,758.30 : x
  2. Step 2: Convert to fraction form
    113,742.40/156,964.07 = 62,758.30/x
  3. Step 3: Cross multiply
    113,742.40x = 156,964.07 × 62,758.30
  4. Step 4: Simplify right side
    113,742.40x = 9,850,797,922.17
  5. Step 5: Solve for x
    x = 9,850,797,922.17/113,742.40
  6. Step 6: Final answer
    x = 86,606.21

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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.