Home / 63,163.55-87,165.15-34,868.63

Finding the Fourth Proportional to 63,163.55, 87,165.15 and 34,868.63

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Solution

The fourth proportional to 63,163.55, 87,165.15 and 34,868.63 is: 48,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,163.55 : 87,165.15 = 34,868.63 : x
  2. Step 2: Convert to fraction form
    63,163.55/87,165.15 = 34,868.63/x
  3. Step 3: Cross multiply
    63,163.55x = 87,165.15 × 34,868.63
  4. Step 4: Simplify right side
    63,163.55x = 3,039,328,928.42
  5. Step 5: Solve for x
    x = 3,039,328,928.42/63,163.55
  6. Step 6: Final answer
    x = 48,118.40

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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.