Home / 65,600.40-98,449.20-26,185.80

Finding the Fourth Proportional to 65,600.40, 98,449.20 and 26,185.80

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Solution

The fourth proportional to 65,600.40, 98,449.20 and 26,185.80 is: 39,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,600.40 : 98,449.20 = 26,185.80 : x
  2. Step 2: Convert to fraction form
    65,600.40/98,449.20 = 26,185.80/x
  3. Step 3: Cross multiply
    65,600.40x = 98,449.20 × 26,185.80
  4. Step 4: Simplify right side
    65,600.40x = 2,577,971,061.36
  5. Step 5: Solve for x
    x = 2,577,971,061.36/65,600.40
  6. Step 6: Final answer
    x = 39,298.10

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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.