Home / 43,712.40-65,568.60-39,694.80

Finding the Fourth Proportional to 43,712.40, 65,568.60 and 39,694.80

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Solution

The fourth proportional to 43,712.40, 65,568.60 and 39,694.80 is: 59,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,712.40 : 65,568.60 = 39,694.80 : x
  2. Step 2: Convert to fraction form
    43,712.40/65,568.60 = 39,694.80/x
  3. Step 3: Cross multiply
    43,712.40x = 65,568.60 × 39,694.80
  4. Step 4: Simplify right side
    43,712.40x = 2,602,732,463.28
  5. Step 5: Solve for x
    x = 2,602,732,463.28/43,712.40
  6. Step 6: Final answer
    x = 59,542.20

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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.