Home / 65,120.04-97,683.48-18,376.56

Finding the Fourth Proportional to 65,120.04, 97,683.48 and 18,376.56

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Solution

The fourth proportional to 65,120.04, 97,683.48 and 18,376.56 is: 27,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,120.04 : 97,683.48 = 18,376.56 : x
  2. Step 2: Convert to fraction form
    65,120.04/97,683.48 = 18,376.56/x
  3. Step 3: Cross multiply
    65,120.04x = 97,683.48 × 18,376.56
  4. Step 4: Simplify right side
    65,120.04x = 1,795,086,331.23
  5. Step 5: Solve for x
    x = 1,795,086,331.23/65,120.04
  6. Step 6: Final answer
    x = 27,565.81

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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.