Home / 63,173.28-87,178.08-34,878.24

Finding the Fourth Proportional to 63,173.28, 87,178.08 and 34,878.24

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Solution

The fourth proportional to 63,173.28, 87,178.08 and 34,878.24 is: 48,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,173.28 : 87,178.08 = 34,878.24 : x
  2. Step 2: Convert to fraction form
    63,173.28/87,178.08 = 34,878.24/x
  3. Step 3: Cross multiply
    63,173.28x = 87,178.08 × 34,878.24
  4. Step 4: Simplify right side
    63,173.28x = 3,040,617,996.98
  5. Step 5: Solve for x
    x = 3,040,617,996.98/63,173.28
  6. Step 6: Final answer
    x = 48,131.39

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1.5x scale

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.