Home / 43,695.14-65,440.65-40,166.78

Finding the Fourth Proportional to 43,695.14, 65,440.65 and 40,166.78

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Solution

The fourth proportional to 43,695.14, 65,440.65 and 40,166.78 is: 60,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,695.14 : 65,440.65 = 40,166.78 : x
  2. Step 2: Convert to fraction form
    43,695.14/65,440.65 = 40,166.78/x
  3. Step 3: Cross multiply
    43,695.14x = 65,440.65 × 40,166.78
  4. Step 4: Simplify right side
    43,695.14x = 2,628,540,191.61
  5. Step 5: Solve for x
    x = 2,628,540,191.61/43,695.14
  6. Step 6: Final answer
    x = 60,156.35

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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.