Home / 94,945.04-131,131.84-64,677.92

Finding the Fourth Proportional to 94,945.04, 131,131.84 and 64,677.92

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Solution

The fourth proportional to 94,945.04, 131,131.84 and 64,677.92 is: 89,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,945.04 : 131,131.84 = 64,677.92 : x
  2. Step 2: Convert to fraction form
    94,945.04/131,131.84 = 64,677.92/x
  3. Step 3: Cross multiply
    94,945.04x = 131,131.84 × 64,677.92
  4. Step 4: Simplify right side
    94,945.04x = 8,481,334,656.97
  5. Step 5: Solve for x
    x = 8,481,334,656.97/94,945.04
  6. Step 6: Final answer
    x = 89,328.89

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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.