Home / 65,740.20-98,610.30-26,325.60

Finding the Fourth Proportional to 65,740.20, 98,610.30 and 26,325.60

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Solution

The fourth proportional to 65,740.20, 98,610.30 and 26,325.60 is: 39,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,740.20 : 98,610.30 = 26,325.60 : x
  2. Step 2: Convert to fraction form
    65,740.20/98,610.30 = 26,325.60/x
  3. Step 3: Cross multiply
    65,740.20x = 98,610.30 × 26,325.60
  4. Step 4: Simplify right side
    65,740.20x = 2,595,975,313.68
  5. Step 5: Solve for x
    x = 2,595,975,313.68/65,740.20
  6. Step 6: Final answer
    x = 39,488.40

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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.