Home / 65,570.86-98,190.20-40,659.57

Finding the Fourth Proportional to 65,570.86, 98,190.20 and 40,659.57

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Solution

The fourth proportional to 65,570.86, 98,190.20 and 40,659.57 is: 60,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,570.86 : 98,190.20 = 40,659.57 : x
  2. Step 2: Convert to fraction form
    65,570.86/98,190.20 = 40,659.57/x
  3. Step 3: Cross multiply
    65,570.86x = 98,190.20 × 40,659.57
  4. Step 4: Simplify right side
    65,570.86x = 3,992,371,310.21
  5. Step 5: Solve for x
    x = 3,992,371,310.21/65,570.86
  6. Step 6: Final answer
    x = 60,886.36

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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.