Home / 96,986.20-133,820.90-56,692.17

Finding the Fourth Proportional to 96,986.20, 133,820.90 and 56,692.17

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Solution

The fourth proportional to 96,986.20, 133,820.90 and 56,692.17 is: 78,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,986.20 : 133,820.90 = 56,692.17 : x
  2. Step 2: Convert to fraction form
    96,986.20/133,820.90 = 56,692.17/x
  3. Step 3: Cross multiply
    96,986.20x = 133,820.90 × 56,692.17
  4. Step 4: Simplify right side
    96,986.20x = 7,586,596,928.89
  5. Step 5: Solve for x
    x = 7,586,596,928.89/96,986.20
  6. Step 6: Final answer
    x = 78,223.47

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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.