Home / 94,019.96-129,745.32-51,578.12

Finding the Fourth Proportional to 94,019.96, 129,745.32 and 51,578.12

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Solution

The fourth proportional to 94,019.96, 129,745.32 and 51,578.12 is: 71,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,019.96 : 129,745.32 = 51,578.12 : x
  2. Step 2: Convert to fraction form
    94,019.96/129,745.32 = 51,578.12/x
  3. Step 3: Cross multiply
    94,019.96x = 129,745.32 × 51,578.12
  4. Step 4: Simplify right side
    94,019.96x = 6,692,019,684.40
  5. Step 5: Solve for x
    x = 6,692,019,684.40/94,019.96
  6. Step 6: Final answer
    x = 71,176.59

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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.