Home / 60,822.12-91,241.91-18,705.75

Finding the Fourth Proportional to 60,822.12, 91,241.91 and 18,705.75

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Solution

The fourth proportional to 60,822.12, 91,241.91 and 18,705.75 is: 28,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,822.12 : 91,241.91 = 18,705.75 : x
  2. Step 2: Convert to fraction form
    60,822.12/91,241.91 = 18,705.75/x
  3. Step 3: Cross multiply
    60,822.12x = 91,241.91 × 18,705.75
  4. Step 4: Simplify right side
    60,822.12x = 1,706,748,357.98
  5. Step 5: Solve for x
    x = 1,706,748,357.98/60,822.12
  6. Step 6: Final answer
    x = 28,061.31

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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.