Home / 94,101.89-129,860.82-51,663.15

Finding the Fourth Proportional to 94,101.89, 129,860.82 and 51,663.15

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Solution

The fourth proportional to 94,101.89, 129,860.82 and 51,663.15 is: 71,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,101.89 : 129,860.82 = 51,663.15 : x
  2. Step 2: Convert to fraction form
    94,101.89/129,860.82 = 51,663.15/x
  3. Step 3: Cross multiply
    94,101.89x = 129,860.82 × 51,663.15
  4. Step 4: Simplify right side
    94,101.89x = 6,709,019,022.78
  5. Step 5: Solve for x
    x = 6,709,019,022.78/94,101.89
  6. Step 6: Final answer
    x = 71,295.27

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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.