Home / 96,986.83-133,821.76-56,692.79

Finding the Fourth Proportional to 96,986.83, 133,821.76 and 56,692.79

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Solution

The fourth proportional to 96,986.83, 133,821.76 and 56,692.79 is: 78,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,986.83 : 133,821.76 = 56,692.79 : x
  2. Step 2: Convert to fraction form
    96,986.83/133,821.76 = 56,692.79/x
  3. Step 3: Cross multiply
    96,986.83x = 133,821.76 × 56,692.79
  4. Step 4: Simplify right side
    96,986.83x = 7,586,728,937.11
  5. Step 5: Solve for x
    x = 7,586,728,937.11/96,986.83
  6. Step 6: Final answer
    x = 78,224.32

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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.