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Finding the Fourth Proportional to 65,745.10, 98,617.65 and 54,810.10

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Solution

The fourth proportional to 65,745.10, 98,617.65 and 54,810.10 is: 82,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,745.10 : 98,617.65 = 54,810.10 : x
  2. Step 2: Convert to fraction form
    65,745.10/98,617.65 = 54,810.10/x
  3. Step 3: Cross multiply
    65,745.10x = 98,617.65 × 54,810.10
  4. Step 4: Simplify right side
    65,745.10x = 5,405,243,258.27
  5. Step 5: Solve for x
    x = 5,405,243,258.27/65,745.10
  6. Step 6: Final answer
    x = 82,215.15

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Similar ratio
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1.5x scale

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.