Home / 65,615.20-98,447.10-26,200.60

Finding the Fourth Proportional to 65,615.20, 98,447.10 and 26,200.60

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Solution

The fourth proportional to 65,615.20, 98,447.10 and 26,200.60 is: 39,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,615.20 : 98,447.10 = 26,200.60 : x
  2. Step 2: Convert to fraction form
    65,615.20/98,447.10 = 26,200.60/x
  3. Step 3: Cross multiply
    65,615.20x = 98,447.10 × 26,200.60
  4. Step 4: Simplify right side
    65,615.20x = 2,579,373,088.26
  5. Step 5: Solve for x
    x = 2,579,373,088.26/65,615.20
  6. Step 6: Final answer
    x = 39,310.60

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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.