Home / 63,428.65-87,527.78-34,742.59

Finding the Fourth Proportional to 63,428.65, 87,527.78 and 34,742.59

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Solution

The fourth proportional to 63,428.65, 87,527.78 and 34,742.59 is: 47,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,428.65 : 87,527.78 = 34,742.59 : x
  2. Step 2: Convert to fraction form
    63,428.65/87,527.78 = 34,742.59/x
  3. Step 3: Cross multiply
    63,428.65x = 87,527.78 × 34,742.59
  4. Step 4: Simplify right side
    63,428.65x = 3,040,941,162.80
  5. Step 5: Solve for x
    x = 3,040,941,162.80/63,428.65
  6. Step 6: Final answer
    x = 47,942.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.