Home / 65,801.94-98,640.27-21,397.47

Finding the Fourth Proportional to 65,801.94, 98,640.27 and 21,397.47

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Solution

The fourth proportional to 65,801.94, 98,640.27 and 21,397.47 is: 32,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801.94 : 98,640.27 = 21,397.47 : x
  2. Step 2: Convert to fraction form
    65,801.94/98,640.27 = 21,397.47/x
  3. Step 3: Cross multiply
    65,801.94x = 98,640.27 × 21,397.47
  4. Step 4: Simplify right side
    65,801.94x = 2,110,652,218.12
  5. Step 5: Solve for x
    x = 2,110,652,218.12/65,801.94
  6. Step 6: Final answer
    x = 32,075.84

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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.