Home / 65,728.10-98,626.58-30,200.15

Finding the Fourth Proportional to 65,728.10, 98,626.58 and 30,200.15

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Solution

The fourth proportional to 65,728.10, 98,626.58 and 30,200.15 is: 45,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,728.10 : 98,626.58 = 30,200.15 : x
  2. Step 2: Convert to fraction form
    65,728.10/98,626.58 = 30,200.15/x
  3. Step 3: Cross multiply
    65,728.10x = 98,626.58 × 30,200.15
  4. Step 4: Simplify right side
    65,728.10x = 2,978,537,358.99
  5. Step 5: Solve for x
    x = 2,978,537,358.99/65,728.10
  6. Step 6: Final answer
    x = 45,316.04

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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.