Home / 65,785.18-98,509.61-36,170.46

Finding the Fourth Proportional to 65,785.18, 98,509.61 and 36,170.46

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Solution

The fourth proportional to 65,785.18, 98,509.61 and 36,170.46 is: 54,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,785.18 : 98,509.61 = 36,170.46 : x
  2. Step 2: Convert to fraction form
    65,785.18/98,509.61 = 36,170.46/x
  3. Step 3: Cross multiply
    65,785.18x = 98,509.61 × 36,170.46
  4. Step 4: Simplify right side
    65,785.18x = 3,563,137,998.55
  5. Step 5: Solve for x
    x = 3,563,137,998.55/65,785.18
  6. Step 6: Final answer
    x = 54,163.23

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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.