Home / 65,840.50-98,761.92-21,467.08

Finding the Fourth Proportional to 65,840.50, 98,761.92 and 21,467.08

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Solution

The fourth proportional to 65,840.50, 98,761.92 and 21,467.08 is: 32,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,840.50 : 98,761.92 = 21,467.08 : x
  2. Step 2: Convert to fraction form
    65,840.50/98,761.92 = 21,467.08/x
  3. Step 3: Cross multiply
    65,840.50x = 98,761.92 × 21,467.08
  4. Step 4: Simplify right side
    65,840.50x = 2,120,130,037.59
  5. Step 5: Solve for x
    x = 2,120,130,037.59/65,840.50
  6. Step 6: Final answer
    x = 32,201.00

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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.