Home / 63,177.78-87,185.36-34,885.30

Finding the Fourth Proportional to 63,177.78, 87,185.36 and 34,885.30

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Solution

The fourth proportional to 63,177.78, 87,185.36 and 34,885.30 is: 48,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,177.78 : 87,185.36 = 34,885.30 : x
  2. Step 2: Convert to fraction form
    63,177.78/87,185.36 = 34,885.30/x
  3. Step 3: Cross multiply
    63,177.78x = 87,185.36 × 34,885.30
  4. Step 4: Simplify right side
    63,177.78x = 3,041,487,439.21
  5. Step 5: Solve for x
    x = 3,041,487,439.21/63,177.78
  6. Step 6: Final answer
    x = 48,141.73

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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.