Home / 65,928.36-98,909.28-19,181.19

Finding the Fourth Proportional to 65,928.36, 98,909.28 and 19,181.19

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Solution

The fourth proportional to 65,928.36, 98,909.28 and 19,181.19 is: 28,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,928.36 : 98,909.28 = 19,181.19 : x
  2. Step 2: Convert to fraction form
    65,928.36/98,909.28 = 19,181.19/x
  3. Step 3: Cross multiply
    65,928.36x = 98,909.28 × 19,181.19
  4. Step 4: Simplify right side
    65,928.36x = 1,897,197,692.44
  5. Step 5: Solve for x
    x = 1,897,197,692.44/65,928.36
  6. Step 6: Final answer
    x = 28,776.66

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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.