Home / 65,800.79-98,701.20-18,422.86

Finding the Fourth Proportional to 65,800.79, 98,701.20 and 18,422.86

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Solution

The fourth proportional to 65,800.79, 98,701.20 and 18,422.86 is: 27,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,800.79 : 98,701.20 = 18,422.86 : x
  2. Step 2: Convert to fraction form
    65,800.79/98,701.20 = 18,422.86/x
  3. Step 3: Cross multiply
    65,800.79x = 98,701.20 × 18,422.86
  4. Step 4: Simplify right side
    65,800.79x = 1,818,358,142.68
  5. Step 5: Solve for x
    x = 1,818,358,142.68/65,800.79
  6. Step 6: Final answer
    x = 27,634.29

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Similar ratio
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1.5x scale

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.