Home / 65,768.10-98,603.55-36,219.30

Finding the Fourth Proportional to 65,768.10, 98,603.55 and 36,219.30

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Solution

The fourth proportional to 65,768.10, 98,603.55 and 36,219.30 is: 54,302.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,768.10 : 98,603.55 = 36,219.30 : x
  2. Step 2: Convert to fraction form
    65,768.10/98,603.55 = 36,219.30/x
  3. Step 3: Cross multiply
    65,768.10x = 98,603.55 × 36,219.30
  4. Step 4: Simplify right side
    65,768.10x = 3,571,351,558.52
  5. Step 5: Solve for x
    x = 3,571,351,558.52/65,768.10
  6. Step 6: Final answer
    x = 54,302.19

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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.