Home / 113,755.30-156,981.24-62,768.50

Finding the Fourth Proportional to 113,755.30, 156,981.24 and 62,768.50

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Solution

The fourth proportional to 113,755.30, 156,981.24 and 62,768.50 is: 86,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,755.30 : 156,981.24 = 62,768.50 : x
  2. Step 2: Convert to fraction form
    113,755.30/156,981.24 = 62,768.50/x
  3. Step 3: Cross multiply
    113,755.30x = 156,981.24 × 62,768.50
  4. Step 4: Simplify right side
    113,755.30x = 9,853,476,962.94
  5. Step 5: Solve for x
    x = 9,853,476,962.94/113,755.30
  6. Step 6: Final answer
    x = 86,619.94

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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.