Home / 43,162.40-64,759.14-15,086.58

Finding the Fourth Proportional to 43,162.40, 64,759.14 and 15,086.58

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Solution

The fourth proportional to 43,162.40, 64,759.14 and 15,086.58 is: 22,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,162.40 : 64,759.14 = 15,086.58 : x
  2. Step 2: Convert to fraction form
    43,162.40/64,759.14 = 15,086.58/x
  3. Step 3: Cross multiply
    43,162.40x = 64,759.14 × 15,086.58
  4. Step 4: Simplify right side
    43,162.40x = 976,993,946.34
  5. Step 5: Solve for x
    x = 976,993,946.34/43,162.40
  6. Step 6: Final answer
    x = 22,635.30

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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.