Home / 96,986.80-133,821.73-56,692.77

Finding the Fourth Proportional to 96,986.80, 133,821.73 and 56,692.77

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Solution

The fourth proportional to 96,986.80, 133,821.73 and 56,692.77 is: 78,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,986.80 : 133,821.73 = 56,692.77 : x
  2. Step 2: Convert to fraction form
    96,986.80/133,821.73 = 56,692.77/x
  3. Step 3: Cross multiply
    96,986.80x = 133,821.73 × 56,692.77
  4. Step 4: Simplify right side
    96,986.80x = 7,586,724,559.89
  5. Step 5: Solve for x
    x = 7,586,724,559.89/96,986.80
  6. Step 6: Final answer
    x = 78,224.30

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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.