Home / 96,986.71-133,821.59-56,692.68

Finding the Fourth Proportional to 96,986.71, 133,821.59 and 56,692.68

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Solution

The fourth proportional to 96,986.71, 133,821.59 and 56,692.68 is: 78,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,986.71 : 133,821.59 = 56,692.68 : x
  2. Step 2: Convert to fraction form
    96,986.71/133,821.59 = 56,692.68/x
  3. Step 3: Cross multiply
    96,986.71x = 133,821.59 × 56,692.68
  4. Step 4: Simplify right side
    96,986.71x = 7,586,704,272.01
  5. Step 5: Solve for x
    x = 7,586,704,272.01/96,986.71
  6. Step 6: Final answer
    x = 78,224.16

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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.