Home / 63,438.07-87,543.57-34,757.50

Finding the Fourth Proportional to 63,438.07, 87,543.57 and 34,757.50

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Solution

The fourth proportional to 63,438.07, 87,543.57 and 34,757.50 is: 47,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,438.07 : 87,543.57 = 34,757.50 : x
  2. Step 2: Convert to fraction form
    63,438.07/87,543.57 = 34,757.50/x
  3. Step 3: Cross multiply
    63,438.07x = 87,543.57 × 34,757.50
  4. Step 4: Simplify right side
    63,438.07x = 3,042,795,415.42
  5. Step 5: Solve for x
    x = 3,042,795,415.42/63,438.07
  6. Step 6: Final answer
    x = 47,964.82

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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.