Home / 94,109.40-141,157.26-30,928.77

Finding the Fourth Proportional to 94,109.40, 141,157.26 and 30,928.77

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Solution

The fourth proportional to 94,109.40, 141,157.26 and 30,928.77 is: 46,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,109.40 : 141,157.26 = 30,928.77 : x
  2. Step 2: Convert to fraction form
    94,109.40/141,157.26 = 30,928.77/x
  3. Step 3: Cross multiply
    94,109.40x = 141,157.26 × 30,928.77
  4. Step 4: Simplify right side
    94,109.40x = 4,365,820,428.37
  5. Step 5: Solve for x
    x = 4,365,820,428.37/94,109.40
  6. Step 6: Final answer
    x = 46,390.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.