Home / 65,651.16-98,488.98-21,273.96

Finding the Fourth Proportional to 65,651.16, 98,488.98 and 21,273.96

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Solution

The fourth proportional to 65,651.16, 98,488.98 and 21,273.96 is: 31,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,651.16 : 98,488.98 = 21,273.96 : x
  2. Step 2: Convert to fraction form
    65,651.16/98,488.98 = 21,273.96/x
  3. Step 3: Cross multiply
    65,651.16x = 98,488.98 × 21,273.96
  4. Step 4: Simplify right side
    65,651.16x = 2,095,250,620.96
  5. Step 5: Solve for x
    x = 2,095,250,620.96/65,651.16
  6. Step 6: Final answer
    x = 31,914.91

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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.