Home / 65,744.40-98,592.30-21,372.60

Finding the Fourth Proportional to 65,744.40, 98,592.30 and 21,372.60

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Solution

The fourth proportional to 65,744.40, 98,592.30 and 21,372.60 is: 32,051.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,744.40 : 98,592.30 = 21,372.60 : x
  2. Step 2: Convert to fraction form
    65,744.40/98,592.30 = 21,372.60/x
  3. Step 3: Cross multiply
    65,744.40x = 98,592.30 × 21,372.60
  4. Step 4: Simplify right side
    65,744.40x = 2,107,173,790.98
  5. Step 5: Solve for x
    x = 2,107,173,790.98/65,744.40
  6. Step 6: Final answer
    x = 32,051.00

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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.