Home / 65,845.14-98,732.32-20,858.24

Finding the Fourth Proportional to 65,845.14, 98,732.32 and 20,858.24

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Solution

The fourth proportional to 65,845.14, 98,732.32 and 20,858.24 is: 31,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,845.14 : 98,732.32 = 20,858.24 : x
  2. Step 2: Convert to fraction form
    65,845.14/98,732.32 = 20,858.24/x
  3. Step 3: Cross multiply
    65,845.14x = 98,732.32 × 20,858.24
  4. Step 4: Simplify right side
    65,845.14x = 2,059,382,621.00
  5. Step 5: Solve for x
    x = 2,059,382,621.00/65,845.14
  6. Step 6: Final answer
    x = 31,276.15

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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.