Home / 113,734.75-156,953.97-63,433.75

Finding the Fourth Proportional to 113,734.75, 156,953.97 and 63,433.75

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Solution

The fourth proportional to 113,734.75, 156,953.97 and 63,433.75 is: 87,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,734.75 : 156,953.97 = 63,433.75 : x
  2. Step 2: Convert to fraction form
    113,734.75/156,953.97 = 63,433.75/x
  3. Step 3: Cross multiply
    113,734.75x = 156,953.97 × 63,433.75
  4. Step 4: Simplify right side
    113,734.75x = 9,956,178,894.49
  5. Step 5: Solve for x
    x = 9,956,178,894.49/113,734.75
  6. Step 6: Final answer
    x = 87,538.58

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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.