Home / 94,196.88-129,989.21-51,755.49

Finding the Fourth Proportional to 94,196.88, 129,989.21 and 51,755.49

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Solution

The fourth proportional to 94,196.88, 129,989.21 and 51,755.49 is: 71,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,196.88 : 129,989.21 = 51,755.49 : x
  2. Step 2: Convert to fraction form
    94,196.88/129,989.21 = 51,755.49/x
  3. Step 3: Cross multiply
    94,196.88x = 129,989.21 × 51,755.49
  4. Step 4: Simplify right side
    94,196.88x = 6,727,654,999.49
  5. Step 5: Solve for x
    x = 6,727,654,999.49/94,196.88
  6. Step 6: Final answer
    x = 71,421.21

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1.5x scale

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.