Home / 43,412.85-64,729.17-39,705.84

Finding the Fourth Proportional to 43,412.85, 64,729.17 and 39,705.84

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Solution

The fourth proportional to 43,412.85, 64,729.17 and 39,705.84 is: 59,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,412.85 : 64,729.17 = 39,705.84 : x
  2. Step 2: Convert to fraction form
    43,412.85/64,729.17 = 39,705.84/x
  3. Step 3: Cross multiply
    43,412.85x = 64,729.17 × 39,705.84
  4. Step 4: Simplify right side
    43,412.85x = 2,570,126,067.35
  5. Step 5: Solve for x
    x = 2,570,126,067.35/43,412.85
  6. Step 6: Final answer
    x = 59,201.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.