Home / 63,149.42-87,145.76-34,855.10

Finding the Fourth Proportional to 63,149.42, 87,145.76 and 34,855.10

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Solution

The fourth proportional to 63,149.42, 87,145.76 and 34,855.10 is: 48,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,149.42 : 87,145.76 = 34,855.10 : x
  2. Step 2: Convert to fraction form
    63,149.42/87,145.76 = 34,855.10/x
  3. Step 3: Cross multiply
    63,149.42x = 87,145.76 × 34,855.10
  4. Step 4: Simplify right side
    63,149.42x = 3,037,473,569.37
  5. Step 5: Solve for x
    x = 3,037,473,569.37/63,149.42
  6. Step 6: Final answer
    x = 48,099.79

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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.